A095814 - OEIS

This site is supported by donations to The OEIS Foundation.

A095814

Number of nonisomorphic partitions of n on the Ferrers diagram.

1, 1, 1, 2, 3, 4, 6, 8, 11, 15, 21, 28, 39, 51, 68, 88, 116, 149, 193, 245, 314, 396, 501, 628, 788, 979, 1218, 1505, 1859, 2283, 2802, 3421, 4175, 5072, 6155, 7442, 8989, 10819, 13008, 15593, 18669, 22292, 26587, 31631, 37588, 44567, 52779, 62377 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	COMMENTS	`Partitions of n into at most ceil(n/2) parts and with at least 1 part greater than or equal to n-floor(n/2)`
	FORMULA	`a(n) = A000041(n)/n A000041(n) even and (A000041(n)+1)/2 A000041(n) odd`
	EXAMPLE	`a(5) is given by 5,41,32,311`
	PROG	`(PARI)`
	CROSSREFS	`Sequence in context: A087192 A188917 A046935 * A006683 A014213 A064323` `Adjacent sequences: A095811 A095812 A095813 * A095815 A095816 A095817`
	KEYWORD	`nonn`
	AUTHOR	`Jon Perry (perry(AT)globalnet.co.uk), Jul 13 2004`

Content is available under The OEIS End-User License Agreement .

Last modified February 15 05:45 EST 2012. Contains 205694 sequences.