The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A182845 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A182845

a(n) = A002865(2*n-1)+A002865(2*n).
(history; published version)

#12 by Susanna Cuyler at Sat Mar 21 09:41:02 EDT 2020

STATUS

reviewed

approved

#11 by Joerg Arndt at Sat Mar 21 07:22:56 EDT 2020

STATUS

proposed

reviewed

#10 by Michel Marcus at Sat Mar 21 07:12:27 EDT 2020

STATUS

editing

proposed

#9 by Michel Marcus at Sat Mar 21 07:12:23 EDT 2020

NAME

a(n) = A002865(2*n-1)+A002865(2*n).

COMMENTS

a(n) is also the length of the n-th "large mirror" of the "mirror" version of the shell model of partitions of A135010.

REFERENCES

a(n) is also the length of the n-th "large mirror" of the "mirror" version of the shell model of partitions of A135010.

STATUS

approved

editing

#8 by Russ Cox at Sat Mar 31 13:22:29 EDT 2012

EXTENSIONS

Extended by _Nathaniel Johnston (nathaniel(AT)nathanieljohnston.com), _, May 06 2011

Discussion

Sat Mar 31

13:22

OEIS Server: https://oeis.org/edit/global/888

#7 by Russ Cox at Fri Mar 30 17:34:05 EDT 2012

AUTHOR

_Omar E. Pol (info(AT)polprimos.com), _, Jan 24 2011

Discussion

Fri Mar 30

17:34

OEIS Server: https://oeis.org/edit/global/157

#6 by Nathaniel Johnston at Fri May 06 23:19:03 EDT 2011

STATUS

proposed

approved

#5 by Nathaniel Johnston at Fri May 06 23:19:00 EDT 2011

DATA

1, 3, 6, 11, 20, 35, 58, 96, 154, 242, 375, 573, 861, 1282, 1886, 2745, 3961, 5667, 8038, 11323, 15836, 22001, 30383, 41715, 56953, 77363, 104566, 140668, 188397, 251247, 333689, 441474, 581890, 764215, 1000233, 1304815, 1696717, 2199591, 2843073, 3664312

LINKS

Nathaniel Johnston, <a href="/A182845/b182845.txt">Table of n, a(n) for n = 1..1000</a>

EXTENSIONS

Extended by Nathaniel Johnston (nathaniel(AT)nathanieljohnston.com), May 06 2011

STATUS

approved

proposed

#4 by N. J. A. Sloane at Tue Jan 25 15:14:15 EST 2011

STATUS

proposed

approved

#3 by Omar E. Pol at Tue Jan 25 07:41:45 EST 2011

NAME

Lenght of the n-th large mirror of the shell model of partitions.

a(n)=A002865(2*n-1)+A002865(2*n).

DATA

1, 3, 6, 11, 20, 35, 58, 96, 154, 242, 375

REFERENCES

a(n) is also the length of the n-th "large mirror" of the "mirror" version of the shell model of partitions of A135010.

EXAMPLE

a(1)=0+1=1. a(2)=1+2=3: a(3)=2+4=6. a(4)=4+7=11. a(5)=8+12=20. Has an easy formula connected to A002865a(6)=14+21=35.

CROSSREFS

Cf. A000041, A002865, A135010. For another version see A182844.

Discussion

Tue Jan 25

07:42

Omar E. Pol: Yes, you are right. I added the formula in NAME.