id:A056543 - OEIS Search Results

Search: id:A056543

Displaying 1-1 of 1 results found.

page 1

a(n) = n*a(n-1) - 1 with a(1)=1.

+0
3

1, 1, 2, 7, 34, 203, 1420, 11359, 102230, 1022299, 11245288, 134943455, 1754264914, 24559708795, 368395631924, 5894330110783, 100203611883310, 1803665013899579, 34269635264092000, 685392705281839999 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`a(n) =ceiling[(3-e)n! ] =n!-A056542(n) =2n!-A002627(n) =3*n!-A000522(n)`
	EXAMPLE	`a(4)=4a(3)-1=42-1=7`
	CROSSREFS	`Sequence in context: A058915 A020054 A117399 this_sequence A075834 A011800 A112916` `Adjacent sequences: A056540 A056541 A056542 this_sequence A056544 A056545 A056546`
	KEYWORD	`easy,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Jun 20 2000`
	EXTENSIONS	`More terms from James A. Sellers (sellersj(AT)math.psu.edu), Jul 04 2000`

page 1

Search completed in 0.002 seconds

Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research