id:A029746 - OEIS Search Results

Search: id:A029746

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2^n or 7.2^n.

+0
1

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2048, 3584, 4096, 7168, 8192, 14336, 16384, 28672, 32768, 57344, 65536, 114688, 131072, 229376, 262144, 458752, 524288, 917504, 1048576, 1835008, 2097152 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`G.f.: (1+2x+2x^2+3x^3)/(1-2x^2). - Michael Somos, Nov 05 2002`
	PROGRAM	`(PARI) a(n)=if(n<0, 0, if(n<2, 2^n, if(n%2, 7/2, 2)*2^(n\2)))`
	CROSSREFS	`Sequence in context: A062846 A102824 A003591 this_sequence A018708 A018461 A018341` `Adjacent sequences: A029743 A029744 A029745 this_sequence A029747 A029748 A029749`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified September 8 08:06 EDT 2008. Contains 143486 sequences.

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