id:A036221 - OEIS Search Results

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Expansion of 1/(1-3*x)^8; 8-fold convolution of A000244 (powers of 3).

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1, 24, 324, 3240, 26730, 192456, 1250964, 7505784, 42220035, 225173520, 1148384952, 5637526128, 26778249108, 123591918960, 556163635320, 2447119995408, 10553204980197, 44695926974952, 186233029062300 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`a(n)=A027465(n+8,8) (O. Gerard's triangle).`
	FORMULA	`a(n) = 3^nbinomial(n+7, 7); G.f. 1/(1-3x)^8.`
	CROSSREFS	`A000244, A027465.` `Adjacent sequences: A036218 A036219 A036220 this_sequence A036222 A036223 A036224` `Sequence in context: A004413 A069779 A006922 this_sequence A022652 A138453 A004317`
	KEYWORD	`easy,nonn`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)`

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Last modified May 22 15:55 EDT 2008. Contains 140006 sequences.

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