A131926 - OEIS

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A131926

Series reversion of x(1-7x)/(1-x) .

1, 6, 78, 1266, 23010, 448062, 9140118 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`The Hankel transform of this sequence is 42^C(n+1,2) .`
	FORMULA	`a(n) = Sum_{k, 0<=k<=n}A086810(n,k)*6^k .`
	CROSSREFS	`Sequence in context: A069670 A074112 A197103 * A132866 A094419 A049209` `Adjacent sequences: A131923 A131924 A131925 * A131927 A131928 A131929`
	KEYWORD	`nonn`
	AUTHOR	`Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Oct 29 2007`

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Last modified February 15 16:56 EST 2012. Contains 205825 sequences.