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A001405 Central binomial coefficients: C(n,floor(n/2)).
(Formerly M0769 N0294)
+0
225
1, 1, 2, 3, 6, 10, 20, 35, 70, 126, 252, 462, 924, 1716, 3432, 6435, 12870, 24310, 48620, 92378, 184756, 352716, 705432, 1352078, 2704156, 5200300, 10400600, 20058300, 40116600, 77558760, 155117520, 300540195, 601080390, 1166803110 (list; graph; listen)
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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