A100648 Denominator of Cotesian number C(n,3).

8, 45, 144, 105, 17280, 14175, 5600, 12474, 1935360, 1576575, 28740096000, 156370500, 688816128, 97692469875, 26900729856000, 158428270000, 32593902501888000, 3430178002251, 1798063128576000, 988320969417600, 809280523999877529600000, 461635966995328125

Offset: 3

Author

N. J. A. Sloane, Dec 05 2004

Keywords

• nonn

Examples

			1/8, 16/45, 25/144, 34/105, 2989/17280, 5248/14175, 1209/5600, 5675/12474, 560593/1935360, 893128/1576575, 11148172711/28740096000, 109420087/156370500, ... = A100627/A100628
		

References

• Charles Jordan, Calculus of Finite Differences, Chelsea 1965, p. 513.

Crossrefs

See A002176 for further references. A diagonal of A100640/A100641.