C(n^2, n).
1, 1, 6, 84, 1820, 53130, 1947792, 85900584, 4426165368, 260887834350
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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