id:A124789 - OEIS Search Results

Search: id:A124789

Displaying 1-1 of 1 results found.

page 1

Expansion of (1+x^2)/(1-x^4-x^5).

+0
2

1, 0, 1, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 4, 4, 4, 5, 7, 8, 8, 9, 12, 15, 16, 17, 21, 27, 31, 33, 38, 48, 58, 64, 71, 86, 106, 122, 135, 157, 192, 228, 257, 292, 349, 420, 485, 549, 641, 769, 905, 1034, 1190, 1410, 1674, 1939, 2224, 2600, 3084, 3613 (list; graph; listen)

	OFFSET	`0,10`
	COMMENT	`Diagonal sums of A124788.`
	FORMULA	`a(n)=sum{k=0..floor(n/2), C(floor(k/2),n-2k)}`
	CROSSREFS	`Sequence in context: A001156 A035451 A124746 this_sequence A103372 A029082 A035450` `Adjacent sequences: A124786 A124787 A124788 this_sequence A124790 A124791 A124792`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Nov 07 2006`

page 1

Search completed in 0.005 seconds

Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

AT&T Labs Research