A277713 Positions of 3's in A264977; positions of 6's in A277330.

3, 39, 75, 147, 207, 291, 411, 579, 819, 927, 1155, 1635, 1851, 2307, 2487, 2583, 2919, 3267, 3699, 3903, 4611, 4971, 5163, 5835, 6531, 7395, 7803, 9219, 9939, 10323, 10839, 11667, 13059, 14787, 15603, 15999, 17895, 18435, 19875, 20295, 20643, 21675, 23331, 26115, 29571, 31203, 31995, 33327, 34383, 35787, 36867, 39747, 40587, 41283, 43347

Offset: 1

Author

Antti Karttunen, Oct 28 2016

Keywords

• nonn

Comments

Positions in A260443 of terms that are six times a perfect square (terms in A033581, although not all of them are present in A260443).

All terms are multiples of three.

Links

• Antti Karttunen, Table of n, a(n) for n = 1..555

Crossrefs

Row 3 of A277710.

Cf. A033581, A260443, A264977, A277701, A277330.

Cf. also A277701, A277712, A277714.

Formula

A277714(n) = a(n)/3.