id:A093421 - OEIS Search Results

Search: id:A093421

Displaying 1-1 of 1 results found.

page 1

Triangle read by rows: for 1 <= k <= n, denominator of a(n, k) = [prod_{i = 0..k-1} n-i]/[sum_{i = 1..k} i].

+0
4

1, 1, 3, 1, 1, 1, 1, 1, 1, 5, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 7, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 11, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 13, 1, 1, 1, 1, 1, 7, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 (list; table; graph; listen)

	OFFSET	`1,3`
	COMMENT	`a(n, n) = 2*(n-1)!/(n+1).` `A093420 gives the numerators.`
	CROSSREFS	`Cf. A093415, A093420, A093423.` `Sequence in context: A137420 A134866 A143261 this_sequence A146531 A030381 A030380` `Adjacent sequences: A093418 A093419 A093420 this_sequence A093422 A093423 A093424`
	KEYWORD	`nonn,easy,frac,tabl,less`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 30 2004`
	EXTENSIONS	`Edited and extended by David Wasserman (dwasserm(AT)earthlink.net), Aug 29 2006`

page 1

Search completed in 0.002 seconds

Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

AT&T Labs Research