id:A034789 - OEIS Search Results

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Related to sextic factorial numbers A008542.

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1, 21, 546, 15561, 466830, 14471730, 458960580, 14801478705, 483514971030, 15955994043990, 530899438190940, 17785131179396490, 599222112044281740, 20287948650642110340, 689790254121831751560, 23539092421907508521985 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Convolution of A004993(n-1) with A025751(n), n >= 1.`
	FORMULA	`a(n) = 6^(n-1)A008542(n)/n!, A008542(n)=(6n-5)(!^6) := product(6j-5, j=1..n); G.f. (-1+(1-36x)^(-1/6))/6.`
	CROSSREFS	`Cf. A008542, A034687.` `Sequence in context: A095655 A080483 A015255 this_sequence A089457 A009091 A159278` `Adjacent sequences: A034786 A034787 A034788 this_sequence A034790 A034791 A034792`
	KEYWORD	`easy,nonn`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

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