A290461 Binomial(n,4) - A290447(n).

0, 0, 0, 0, 0, 0, 0, 0, 2, 10, 30, 50, 88, 126, 176, 256, 374, 492, 651, 810, 1013, 1285, 1605, 1925, 2327, 2794, 3315, 3921, 4627, 5333, 6215, 7097, 8093, 9210, 10411, 11763, 13392, 15021, 16748, 18649, 20833, 23017, 25480, 27943, 30634, 33656, 36806, 39956, 43478, 47215, 51266, 55565, 60168

Offset: 1

Author

N. J. A. Sloane, Aug 07 2017

Keywords

• nonn

Comments

Binomial(n,4) is an upper bound on A290447. No formula or recurrence is known for the latter, but perhaps the differences will turn out to be simpler to analyze.

Links

• N. J. A. Sloane, Table of n, a(n) for n = 1..500 [Based on David Applegate's b-file for A290447]

Crossrefs

Cf. A000332, A290447.