id:A096882 - OEIS Search Results

Search: id:A096882

Displaying 1-1 of 1 results found.

page 1

Expansion of (1+7x)/(1-50x^2).

+0
2

1, 7, 50, 350, 2500, 17500, 125000, 875000, 6250000, 43750000, 312500000, 2187500000, 15625000000, 109375000000, 781250000000, 5468750000000, 39062500000000, 273437500000000, 1953125000000000, 13671875000000000 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=6a(n-1)+7a(n-2)+50^floor((n-2)/2); a(n)=sum{k=0..floor(n/2), binomial(floor(n/2), k)7^(n-2k) }.`
	CROSSREFS	`Cf. A004663, A026383, A016116, A096881.` `Sequence in context: A069032 A153693 A033117 this_sequence A033125 A022037 A054413` `Adjacent sequences: A096879 A096880 A096881 this_sequence A096883 A096884 A096885`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Jul 14 2004`

page 1

Search completed in 0.002 seconds

Last modified December 17 13:29 EST 2009. Contains 170826 sequences.

AT&T Labs Research