id:A047074 - OEIS Search Results

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Sum{T(i,n-i): i=0,1,...,[ n/2 ]}, array T as in A047072.

+0
2

1, 1, 1, 3, 2, 5, 6, 14, 20, 45, 70, 154, 252, 546, 924, 1980, 3432, 7293, 12870, 27170, 48620, 102102, 184756, 386308, 705432, 1469650, 2704156, 5616324, 10400600, 21544100, 40116600, 82907640, 155117520, 319929885, 601080390, 1237518450 (list; graph; listen)

	OFFSET	`0,4`
	CROSSREFS	`Sequence in context: A050061 A058638 A139140 this_sequence A021311 A128224 A125026` `Adjacent sequences: A047071 A047072 A047073 this_sequence A047075 A047076 A047077`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.

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