%I #8 Nov 19 2017 17:19:12

%S 4,5,6,7,8,12,21,25,28,32,34,36,44,51,58,68,71,73,76,84,85,105,117,

%T 131,132,148,150,160,162,163,170,172,188,190,216,226,233,249,252,253,

%U 264,273,284,307,338,356,358,372,378,383,390,424,435,449,456,468,479

%N Indices of primes in A001156.

%H Vaclav Kotesovec, <a href="/A285218/b285218.txt">Table of n, a(n) for n = 1..2119</a>

%e 51 is in the sequence because A001156(51) = 107 is prime.

%Y Cf. A001156, A046063.

%K nonn

%O 1,1

%A _Vaclav Kotesovec_, Apr 14 2017