A124789 - OEIS

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A124789

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

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; refs; listen; history; internal format)

	OFFSET	`0,10`
	COMMENTS	`Diagonal sums of A124788.`
	FORMULA	`a(n)=sum{k=0..floor(n/2), C(floor(k/2),n-2k)}`
	CROSSREFS	`Sequence in context: A199119 A035451 A124746 * A103372 A029082 A035450` `Adjacent sequences: A124786 A124787 A124788 * A124790 A124791 A124792`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Nov 07 2006`

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Last modified February 15 19:15 EST 2012. Contains 205852 sequences.