A244083 - OEIS

A244083

a(n) = numerator( n^n/(2*n)! ).

1, 1, 1, 3, 2, 125, 3, 16807, 512, 59049, 15625, 2357947691, 36, 1792160394037, 282475249, 1171875, 8589934592, 2862423051509815793, 1162261467, 5480386857784802185939, 195312500, 42728053589487, 5559917313492231481, 39471584120695485887249589623, 603979776

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OFFSET

0,4

COMMENTS

Denominators are in A244084.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..100

MATHEMATICA

Join[{1}, Table[Numerator[n^n/(2 n)!], {n, 1, 30}]]

PROG

(Magma) [Numerator(n^n/Factorial(2*n)): n in [0..30]];

CROSSREFS