A004996 - OEIS

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A004996

6^n/n!*product[ k=0..n-1 ](6*k - 1).

1, -6, -90, -1980, -50490, -1393524, -40412196, -1212365880, -37280250810, -1168114525380, -37146041907084, -1195427166827976, -38851382921909220, -1273129932671794440, -42013287778169216520 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	FORMULA	`A(x) = (1 - 36x)^(1/6).` `a(n) ~ -1/6Gamma(5/6)^-1n^(-7/6)6^(2n){1 + 7/72*n^-1 + ...}. - Joe Keane (jgk(AT)jgk.org), Nov 24 2001`
	CROSSREFS	`Sequence in context: A006480 A138462 A002896 * A001499 A147630 A177584` `Adjacent sequences: A004993 A004994 A004995 * A004997 A004998 A004999`
	KEYWORD	`sign`
	AUTHOR	`Joe Keane (jgk(AT)jgk.org)`

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Last modified February 15 21:16 EST 2012. Contains 205856 sequences.