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

1,1

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

Formula

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

Prog

(Scheme, with Antti Karttunen's IntSeq-library, two implementations)
(define A277713 (MATCHING-POS 1 1 (lambda (n) (= 3 (A264977 n)))))
(define A277713 (MATCHING-POS 1 1 (lambda (n) (= 6 (A277330 n)))))

Crossrefs

Row 3 of A277710.

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

Cf. also A277701, A277712, A277714.

Sequence in context: A359081 A163789 A183182 * A134106 A153875 A082954

Adjacent sequences: A277710 A277711 A277712 * A277714 A277715 A277716

Keyword

nonn

Author

Antti Karttunen, Oct 28 2016

Status

approved