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Positions of +2's in A346242.
3

%I #7 Jun 09 2022 08:44:57

%S 132,156,204,228,276,348,372,444,492,516,564,636,708,732,804,852,876,

%T 948,996,1068,1164,1212,1236,1284,1308,1356,1524,1572,1644,1668,1788,

%U 1812,1884,1956,2004,2076,2148,2172,2292,2316,2364,2388,2532,2676,2724,2748,2796,2868,2892,3012,3084,3156,3228,3252,3324,3372

%N Positions of +2's in A346242.

%C Question: Are all terms even?

%o (PARI) isA354812(n) = (2==A346242(n));

%Y Cf. A346242.

%Y Cf. also A354814, A354822.

%K nonn

%O 1,1

%A _Antti Karttunen_, Jun 07 2022