Denominator of binomial(2n,n)/4^n.
1, 2, 8, 16, 128, 256, 1024, 2048, 32768, 65536, 262144, 524288, 4194304, 8388608
2 seqfan posts
Thu Apr 21 21:04:02 CEST 2011 [seqfan] Re: A180403
Thu Apr 21 21:01:11 CEST 2011 [seqfan] A180403
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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