A347393 Positions of 3's in A347381.

7, 10, 11, 14, 16, 18, 25, 27, 39, 45, 63, 77, 81, 99, 105, 135, 182, 270, 819, 1365, 1392, 1638, 4250, 15631, 21275, 63767, 122944, 161257, 203203, 446369, 936100, 1128799, 1773827, 2808300

Offset

1,1

Links

Table of n, a(n) for n=1..34.

Index entries for sequences computed from indices in prime factorization

Index entries for sequences related to sigma(n)

Crossrefs

Cf. A347381.

Cf. also A046060, A336702, A347391, A347392, A347394.

Sequence in context: A194418 A094764 A066468 * A088769 A057986 A274204

Adjacent sequences: A347390 A347391 A347392 * A347394 A347395 A347396

Keyword

nonn

Author

Antti Karttunen, Aug 31 2021

Status

approved