id:A026001 - OEIS Search Results

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a(n) = T(3n,n), where T = Delannoy triangle (A008288).

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1, 7, 85, 1159, 16641, 246047, 3707509, 56610575, 872893441, 13560999991, 211939849045, 3328419072535, 52481589415425, 830317511708367, 13174519143904245, 209559710593266719, 3340604559333629953, 53354776911196959335, 853607938952248383829, 13677336690921351929767 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`If the Delannoy triangle is defined by the Maple code in A008288, this is A008288(n, 3*n-2), n >= 1. - njas`
	CROSSREFS	`Sequence in context: A027459 A027531 A126344 this_sequence A064089 A049412 A056547` `Adjacent sequences: A025998 A025999 A026000 this_sequence A026002 A026003 A026004`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`
	EXTENSIONS	`Corrected and extended by njas, Oct 29 2006`

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Last modified December 4 12:27 EST 2008. Contains 151280 sequences.

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