id:A027305 - OEIS Search Results

Search: id:A027305

Displaying 1-1 of 1 results found.

page 1

a(n) = Sum{(k+1)(T(n,k)}, 0<=k<=[ (n+1)/2 ], T given by A008315.

+0
1

1, 3, 5, 13, 24, 58, 111, 257, 500, 1126, 2210, 4882, 9632, 20980, 41531, 89497, 177564, 379438, 754014, 1600406, 3184016, 6720748, 13382710, 28117498, 56026984, 117254268, 233765636, 487589572, 972504704, 2022568168 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`a(2n) = A065982(n+1)/2 = (n+2)*binomial(2n+2, n+1)/2-4^n.` `Sequence in context: A089067 A026733 A005824 this_sequence A026766 A026709 A159290` `Adjacent sequences: A027302 A027303 A027304 this_sequence A027306 A027307 A027308`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

page 1

Search completed in 0.002 seconds

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research