The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A122739 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A122739

Numbers of perifusenes with one internal vertex (see Cyvin et al. for precise definition).
(history; published version)

#9 by R. J. Mathar at Fri Jul 26 08:04:06 EDT 2019

STATUS

editing

approved

#8 by R. J. Mathar at Fri Jul 26 08:04:01 EDT 2019

REFERENCES

S. J. Cyvin, F. Zhang and J. Brunvoll, Enumeration of perifusenes with one internal vertex..., J. Math. Chem., 11 (1992), 283-292

STATUS

approved

editing

#7 by Michel Marcus at Sun Nov 04 01:40:40 EST 2018

STATUS

reviewed

approved

#6 by Joerg Arndt at Sat Nov 03 11:52:44 EDT 2018

STATUS

proposed

reviewed

Discussion

Sat Nov 03

11:55

Michel Marcus: yes strange

#5 by Georg Fischer at Fri Nov 02 17:28:42 EDT 2018

STATUS

editing

proposed

#4 by Georg Fischer at Fri Nov 02 17:27:53 EDT 2018

LINKS

S. J. Cyvin, F. Zhang and J. Brunvoll, <a href="https://dx.doi.org/10.1007/BF01164209">Enumeration of perifusenes with one internal vertex: A complete mathematical solution</a>, J. Math. Chem., 11 (1992), 283-292.

FORMULA

a(n) = A038380(n) for n >= 3. - Georg Fischer, Nov 02 2018

CROSSREFS

Cf. A038380.

STATUS

approved

editing

Discussion

Fri Nov 02

17:28

Georg Fischer: Duplicate except for the offset.

#3 by Russ Cox at Fri Mar 30 16:50:31 EDT 2012

AUTHOR

_N. J. A. Sloane (njas(AT)research.att.com), _, Sep 24 2006

Discussion

Fri Mar 30

16:50

OEIS Server: https://oeis.org/edit/global/110

#2 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

KEYWORD

nonn,new

nonn

AUTHOR

N. J. A. Sloane (njas, (AT)research.att.com), Sep 24 2006

#1 by N. J. A. Sloane at Fri Sep 29 03:00:00 EDT 2006

NAME

Numbers of perifusenes with one internal vertex (see Cyvin et al. for precise definition).

DATA

1, 1, 6, 24, 109, 477, 2155, 9647, 43621, 197767, 901436, 4125636, 18964119

OFFSET

3,3

REFERENCES

S. J. Cyvin, F. Zhang and J. Brunvoll, Enumeration of perifusenes with one internal vertex..., J. Math. Chem., 11 (1992), 283-292

KEYWORD

nonn,new

AUTHOR

njas, Sep 24 2006

STATUS

approved