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A256219 Indices of prime terms in A121216. 3

%I #8 May 05 2022 14:55:39

%S 2,3,4,7,8,11,14,15,18,26,29,34,38,41,42,46,56,57,61,65,69,73,80,84,

%T 93,96,97,101,104,108,124,128,132,136,144,145,153,160,161,169,173,177,

%U 185,188,192,196,204,220,221,224,225,236,237,241,253

%N Indices of prime terms in A121216.

%C It would be nice to have a definition that is independent of A121216.

%H Rémy Sigrist, <a href="/A256219/b256219.txt">Table of n, a(n) for n = 1..10000</a>

%H Rémy Sigrist, <a href="/A256219/a256219.gp.txt">PARI program</a>

%o (PARI) See Links section.

%Y Cf. A121216, A256399.

%K nonn

%O 1,1

%A _N. J. A. Sloane_, Mar 28 2015

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Last modified July 17 16:16 EDT 2024. Contains 374377 sequences. (Running on oeis4.)