login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Indices of primes in A005097.
2

%I #7 Jan 30 2016 03:09:17

%S 2,3,4,8,14,16,22,27,38,40,48,55,68,71,75,90,91,95,102,106,127,145,

%T 149,153,165,170,194,207,213,214,218,227,235,240,255,280,291,306,308,

%U 310,316,328,362,363,375,409,416,419,426,429,433,443,447,452,485,506,525,528,535,547,552,561,566,569,583,587,615

%N Indices of primes in A005097.

%H Antti Karttunen, <a href="/A266400/b266400.txt">Table of n, a(n) for n = 1..1000</a>

%F Other identities. For all n >= 1:

%F A005384(n) = A005097(a(n)).

%o (Scheme, with _Antti Karttunen_'s IntSeq-library)

%o (define A266400 (MATCHING-POS 1 1 (COMPOSE prime? A005097)))

%Y Cf. A005097, A005384.

%K nonn

%O 1,1

%A _Antti Karttunen_, Jan 28 2016