id:A090643 - OEIS Search Results

Search: id:A090643

Displaying 1-1 of 1 results found.

page 1

a(n)=(-1)^(n+1)*(3/4)*(9^n-1)*B(2n) where B(k) denotes the k-th Bernoulli number.

+0
1

0, 1, 2, 13, 164, 3355, 100886, 4185097, 228970568, 15972720439, 1383706615610, 145736540156581, 18339615566386412, 2717605030233712723, 468371974894477377374, 92895125380418204480065 (list; graph; listen)

	OFFSET	`0,3`
	PROGRAM	`(PARI) a(n)=(-1)^(n+1)(3/4)(9^n-1)bernfrac(2n)`
	CROSSREFS	`Sequence in context: A014507 A132614 A098638 this_sequence A132521 A078363 A088316` `Adjacent sequences: A090640 A090641 A090642 this_sequence A090644 A090645 A090646`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Dec 13 2003`

page 1

Search completed in 0.002 seconds

Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

AT&T Labs Research