A051502 - OEIS

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A051502

Number of asymmetric types of Boolean functions of n variables under action of complementing group C(n,2).

2, 1, 2, 23, 3904, 134156284, 288230371925149328 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	LINKS	`Index entries for sequences related to Boolean functions`
	FORMULA	`1/(2^n)Sum((-1)^j2^C(j, 2)[ n, j ]2^(2^(n-j)), j=0..n), where [ n, j ] is Gaussian 2-binomial coefficient.`
	CROSSREFS	`Sequence in context: A202410 A115507 A173252 * A121721 A173476 A136156` `Adjacent sequences: A051499 A051500 A051501 * A051503 A051504 A051505`
	KEYWORD	`easy,nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)eunet.rs)`

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Last modified February 15 03:33 EST 2012. Contains 205694 sequences.