id:A123621 - OEIS Search Results

Search: id:A123621

Displaying 1-1 of 1 results found.

page 1

Greatest k <= n/2 such that n divides binomial(n,k).

+0
1

0, 1, 1, 1, 2, 1, 3, 3, 4, 4, 5, 6, 6, 5, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 15, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 28, 28, 28, 29, 29, 30, 29, 31, 31, 32, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, 37 (list; graph; listen)

	OFFSET	`1,5`
	COMMENT	`A007318(n,a(n)) mod n = 0;` `a(p) = floor(p/2) for primes p.`
	LINKS	`R. Zumkeller, Table of n, a(n) for n = 1..1000` `Index entries for triangles and arrays related to Pascal's triangle` `Eric Weisstein's World of Mathematics, Binomial Coefficient`
	CROSSREFS	`Sequence in context: A116921 A093068 A097357 this_sequence A151662 A049786 A029137` `Adjacent sequences: A123618 A123619 A123620 this_sequence A123622 A123623 A123624`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 03 2006`

page 1

Search completed in 0.002 seconds

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research