The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A354166 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A354166

Number of nonprimes among first n terms of A090252.
(history; published version)

#7 by N. J. A. Sloane at Tue May 31 23:43:56 EDT 2022

STATUS

editing

approved

#6 by N. J. A. Sloane at Tue May 31 23:43:54 EDT 2022

COMMENTS

It appears that this sequence controls the growth of A090252. That is, almost all the terms of A090252 lie on the line A090252(n) = k-th prime, where k = n - a(n).

STATUS

approved

editing

#5 by N. J. A. Sloane at Tue May 31 23:40:16 EDT 2022

STATUS

editing

approved

#4 by N. J. A. Sloane at Tue May 31 23:40:13 EDT 2022

LINKS

N. J. A. Sloane, <a href="/A354166/b354166.txt">Table of n, a(n) for n = 1..34886</a>

STATUS

approved

editing

#3 by N. J. A. Sloane at Tue May 31 23:21:20 EDT 2022

STATUS

editing

approved

#2 by N. J. A. Sloane at Tue May 31 23:21:17 EDT 2022

NAME

allocated for N. J. A. Sloane

Number of nonprimes among first n terms of A090252.

DATA

1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 13, 13, 13, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 17

OFFSET

1,5

CROSSREFS

Cf. A090252, A354164, A354165.

KEYWORD

allocated

nonn

AUTHOR

N. J. A. Sloane, May 31 2022

STATUS

approved

editing

#1 by N. J. A. Sloane at Wed May 18 13:23:17 EDT 2022

NAME

allocated for N. J. A. Sloane

KEYWORD

allocated

STATUS

approved