%I #10 Jun 21 2024 20:45:46
%S 2,4,6,8,10,12,14,16,18,20,22,26,28,30,32,34,37,39,41,43,45,47,49,52,
%T 54,56,58,60,63,65,67,69,71,74,76,78,80,82,84,86,88,90,92,94,96,98,
%U 100,102,104,106,108,110,112,115,117,119,121,123,125,128,130,132,134,136,138,140
%N Indices of even terms in A373390.
%H N. J. A. Sloane, <a href="/A373787/b373787.txt">Table of n, a(n) for n = 1..10000</a>
%Y Cf. A373390, A372072, A372073, A372078-A372081, A373786-A373791.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Jun 19 2024