id:A083013 - OEIS Search Results

Search: id:A083013

Displaying 1-1 of 1 results found.

page 1

a(n)=sum(k=0,n-1,9^k*B(k)*C(n,k)) where B(k) is the k-th Bernoulli number and C(n,k)=binomial(n,k).

+0
1

0, 1, -8, 28, 64, -980, -3104, 81172, 339328, -11878244, -61958240, 2674671076, 16735235392, -855605816468, -6245150369696, 368601472639540, 3074742020313856, -205700802920736452, -1930357641628367072, 144338957346266943364, 1505019970814899568320 (list; graph; listen)

	OFFSET	`1,3`
	PROGRAM	`(PARI) a(n)=sum(k=0, n-1, 9^kbinomial(n, k)bernfrac(k))`
	CROSSREFS	`Cf. A001469.` `Sequence in context: A101127 A007259 A134747 this_sequence A028553 A100182 A119515` `Adjacent sequences: A083010 A083011 A083012 this_sequence A083014 A083015 A083016`
	KEYWORD	`sign`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), May 31 2003`

page 1

Search completed in 0.002 seconds

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research