The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A107829

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A107829

Indices of primes occurring in A107809.
(history; published version)

#4 by Wesley Ivan Hurt at Sun May 26 00:00:56 EDT 2024

STATUS

editing

approved

#3 by Wesley Ivan Hurt at Sun May 26 00:00:37 EDT 2024

FORMULA

A107829(n) = pi(A107809(n)).

STATUS

approved

editing

#2 by Russ Cox at Fri Mar 30 17:26:16 EDT 2012

AUTHOR

_Zak Seidov (zakseidov(AT)yahoo.com), _, May 24 2005

Discussion

Fri Mar 30

17:26

OEIS Server: https://oeis.org/edit/global/139

#1 by N. J. A. Sloane at Tue Jul 19 03:00:00 EDT 2005

NAME

Indices of primes occurring in A107809.

DATA

9, 1, 10, 8, 5, 6, 2, 11, 7, 4, 12, 14, 13, 15, 19, 18, 20, 21, 16, 3, 17, 22, 24, 23, 27, 26, 28, 25, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61

OFFSET

1,1

FORMULA

A107829(n)=pi(A107809(n))

CROSSREFS

Cf. A107801 - A107814, A107821, A107822, A107823, A107824, A107825, A107826, A107827, A107828, A107830, A107831, A107832, A107833, A107834.

KEYWORD

easy,nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), May 24 2005

STATUS

approved