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%I #16 Jan 21 2025 09:53:39
%S 0,3,4,8,9,13,14,15,16,17,18,19,20,26,27,28,29,30,31,37,38,39,40,41,
%T 42,53,54,55,56,57,58,59,60,74,75,76,77,78,79,80,81,91,92,93,94,95,96,
%U 97,98,99,100,112,113,114,115,116,117,118,119,120,121,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,161,162,163,164,165,166,167,168,169
%N Indices k such that A377091(k) <= 0.
%H Paolo Xausa, <a href="/A379073/b379073.txt">Table of n, a(n) for n = 1..20000</a> (terms 1..9941 from N. J. A. Sloane)
%t (* A377091list is defined at A377091 *)
%t Flatten[Position[A377091list[200], _?NonPositive]] - 1 (* _Paolo Xausa_, Jan 21 2025 *)
%Y Cf. A377091, A379072.
%K nonn,base,changed
%O 1,2
%A _N. J. A. Sloane_, Jan 03 2025