References to A114450

a(n)=(2n)!*(sum{k=1...2n}1/k)/(2n+1).
0, 1, 10, 252, 12176, 966240, 114341760, 18897709824, 4160840140800


1 seqfan posts

Tue Aug 4 15:01:02 CEST 2009    [seqfan] Re: offset of A000254 wrong?

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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