id:A055802 - OEIS Search Results

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T(n,n-2), array T as in A055801.

+0
4

1, 1, 1, 2, 3, 4, 6, 7, 10, 11, 15, 16, 21, 22, 28, 29, 36, 37, 45, 46, 55, 56, 66, 67, 78, 79, 91, 92, 105, 106, 120, 121, 136, 137, 153, 154, 171, 172, 190, 191, 210, 211, 231, 232, 253, 254, 276, 277, 300, 301, 325, 326, 351, 352 (list; graph; listen)

	OFFSET	`2,4`
	COMMENT	`For n>2, a(n)+a(n+1) seems to be A002620(n+1)+1.`
	FORMULA	`G.f.: x^2(-x^5+2x^4+x^3-2x^2+1)/[(1-x)(1-x^2)^2].`
	CROSSREFS	`Sequence in context: A047518 A120440 A049995 this_sequence A114220 A134519 A101505` `Adjacent sequences: A055799 A055800 A055801 this_sequence A055803 A055804 A055805`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu), May 28 2000`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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