a(n) = A123311(n)/(n+1), where A123311 forms the central terms of triangle A123305.
1, 1, 6, 84, 2010, 70596, 3331006, 199417056, 14559631506, 1259526351000
4 seqfan posts
Sat May 8 22:48:21 CEST 2010 [seqfan] Re: when does n+1 fail to divide binomial(n^2,n+1) ?
Sat May 8 22:48:21 CEST 2010 [seqfan] Re: when does n+1 fail to divide binomial(n^2,n+1) ?
Sat May 8 22:04:51 CEST 2010 [seqfan] Re: when does n+1 fail to divide binomial(n^2,n+1) ?
Sat May 8 21:45:46 CEST 2010 [seqfan] when does n+1 fail to divide binomial(n^2,n+1) ?
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