A394064 a(n) = n^n * denominator(hypergeom([1, -n], [], -1/(n + 1))).

1, 2, 36, 864, 160000, 1012500, 5489031744, 107943428096, 80244904034304, 605344514062500, 259374246010000000000, 10223233001492594688, 207728067204059288762843136, 33537450691014897397230824, 53397858971547468000000000000, 246512345193381888000000000000000

Offset

0,2

Links

Table of n, a(n) for n=0..15.

Maple

P := n -> hypergeom([1, -n], [], -1/(n + 1)): seq(n^n * denom(simplify(P(n))), n = 0..15);

Crossrefs

Cf. A394063 (numerators), A036505, A393141.

Sequence in context: A336714 A093530 A001626 * A166473 A279575 A009539

Adjacent sequences: A394061 A394062 A394063 * A394065 A394066 A394067

Keyword

nonn,frac

Author

Peter Luschny, Mar 09 2026

Status

approved