A259096 a(n) = A000785(n) - A005575(n-1).

0, 0, 0, 0, 0, 0, 1, 2, 10, 19, 52, 105, 224, 429, 820, 1484, 2668, 4627, 7928, 13305, 22050, 35988, 58128, 92792, 146790, 230082, 357831, 552310, 846876, 1290231, 1954453, 2944513, 4413897, 6585072, 9780996, 14466926, 21313816, 31283424, 45753928, 66691357, 96897846

Offset

2,8

Comments

Proposed and computed by R. K. Guy in 1988.

Links

Table of n, a(n) for n=2..42.

R. K. Guy, Letter to N. J. A. Sloane, Apr 08 1988 (annotated scanned copy, included with permission).

Crossrefs

Cf. A000785, A005575.

Sequence in context: A030570 A039560 A299577 * A317859 A342543 A342539

Adjacent sequences: A259093 A259094 A259095 * A259097 A259098 A259099

Keyword

nonn

Author

N. J. A. Sloane, Jun 20 2015

Extensions

More terms from Alois P. Heinz, Jul 11 2016

More terms from Amiram Eldar, May 23 2024

Status

approved