id:A129195 - OEIS Search Results

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a(n)=denominator(n!/4^n).

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1, 4, 8, 32, 32, 128, 256, 1024, 512, 2048, 4096, 16384, 16384, 65536, 131072, 524288, 131072, 524288, 1048576, 4194304, 4194304, 16777216, 33554432, 134217728, 67108864, 268435456, 536870912, 2147483648 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=denominator((1/(2pi))int(exp(i4t)(-((pi-t)/i)^n),t,0,2*pi)), i=sqrt(-1); a(n)=2^A092391(n);`
	CROSSREFS	`Sequence in context: A149092 A094502 A162459 this_sequence A124143 A034041 A050442` `Adjacent sequences: A129192 A129193 A129194 this_sequence A129196 A129197 A129198`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Apr 02 2007`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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