A277712 Positions of 2's in A264977; positions of 3's in A277330.

2, 10, 26, 58, 82, 122, 170, 250, 346, 418, 506, 562, 626, 698, 842, 1018, 1130, 1258, 1402, 1690, 1858, 2042, 2266, 2522, 2810, 3386, 3722, 4090, 4538, 5050, 5330, 5626, 6242, 6626, 6778, 7450, 7810, 8186, 9082, 9682, 10106, 10418, 10514, 10666, 11258, 11986, 12490, 13258, 13562, 14906, 15626, 16378, 17074, 18170, 19186, 19370, 19810

Offset: 1

Author

Antti Karttunen, Oct 28 2016

Keywords

• nonn

Comments

Positions in A260443 of terms that are three times a perfect square (terms in A033428, although not all of them are present in A260443).

Crossrefs

Row 2 of A277710.

Cf. A033428, A260443, A264977, A277701, A277330.

Cf. also A277713.

Formula

a(n) = 2*A277701(n).