A056202 Central binomial coefficient A001405(n) divided by its characteristic cube divisor A056201(n).

1, 2, 3, 6, 10, 20, 35, 70, 126, 252, 462, 924, 1716, 429, 6435, 12870, 24310, 48620, 92378, 184756, 352716, 88179, 1352078, 2704156, 5200300, 1300075, 742900, 185725, 9694845, 155117520, 300540195, 601080390, 43214930, 86429860

Offset

1,2

Links

Table of n, a(n) for n=1..34.

Formula

a(n) = A001405(n)/A056059(n)^3 = binomial(n, floor(n/2))/A056059(n)^3 = A001405(n)/A056201(n).

Example

n=14, binomial(14,7) = 3432 and A056059(14) = 2, thus a(14) = 3432/(2*2*2) = 429.

Crossrefs

Cf. A001405, A056056-A056060, A056201.

Sequence in context: A037031 A336675 A336678 * A001405 A126930 A210736

Adjacent sequences: A056199 A056200 A056201 * A056203 A056204 A056205

Keyword

nonn

Author

Labos Elemer, Aug 02 2000

Status

approved