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A001405 Central binomial coefficients: C(n,floor(n/2)).
(Formerly M0769 N0294)
+0
224
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 25 20:09 EST 2009. Contains 167514 sequences.


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