A021994 - OEIS

This site is supported by donations to The OEIS Foundation.

A021994

G.f.: 1/((1-x)(1-4x)(1-10x)(1-12x)).

1, 27, 495, 7735, 111111, 1517607, 20059495, 259217895, 3295741671, 41400518887, 515323813095, 6369067214055, 78280643507431, 957886180955367, 11679819118040295, 142009680313898215, 1722634678467548391 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A020969 A025956 A020724 * A020568 A021734 A019752` `Adjacent sequences: A021991 A021992 A021993 * A021995 A021996 A021997`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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

Last modified February 16 05:55 EST 2012. Contains 205860 sequences.