A326999 a(n) = A327000(4, n) + A291975(n).

1, 1, 36, 6306, 3156336, 3501788976, 7425169747776, 27322211071838736, 163058737794666253056, 1500955605765318574331136, 20488125782700503099836056576, 401537703770887804145153979250176, 10992280532048388256580758224034983936, 410332411533091221236570416481170032685056

Offset: 0

Author

Peter Luschny, Aug 12 2019

Keywords

• nonn

Crossrefs

Cf. A327000, A309522, A327001, A291975.

Formula

a(n) = A309522(4, n) - A327001(4, n) + A291975(n).