A335179 a(n) = A115004(n) - A334701(n).

0, 2, 7, 26, 55, 118, 203, 350, 513, 802, 1153, 1594, 2105, 2878, 3701, 4770, 5973, 7510, 9221, 11282, 13411, 16202, 19255, 22674, 26371, 31018, 35865, 41422, 47377, 54114, 61297, 69470, 77803, 87758, 98311, 109766, 121851, 136006, 150443, 166278, 182903, 201110, 220179, 241030, 262447, 286886, 312411, 339422, 367551

Offset

1,2

Comments

It would be nice to have a formula or recurrence.

Links

Table of n, a(n) for n=1..49.

Crossrefs

Cf. A115004, A334701.

Sequence in context: A137102 A294681 A229241 * A387489 A091145 A261332

Adjacent sequences: A335176 A335177 A335178 * A335180 A335181 A335182

Keyword

nonn

Author

N. J. A. Sloane, Jun 22 2020

Status

approved