id:A118286 - OEIS Search Results

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Numbers n such that n=0 (mod 4) or n=2 (mod 12).

+0
1

2, 4, 8, 12, 14, 16, 20, 24, 26, 28, 32, 36, 38, 40, 44, 48, 50, 52, 56, 60, 62, 64, 68, 72, 74, 76, 80, 84, 86, 88, 92, 96, 98, 100, 104, 108, 110, 112, 116, 120, 122, 124, 128, 132, 134, 136, 140, 144, 146, 148, 152, 156, 158, 160, 164, 168, 170, 172, 176, 180, 182 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Except for n=2, conjectured n such that A118278(n)=-1 and A118282(n)=-1; n such that there is an infinite set of numbers not representable as the sum of three n-gonal numbers or three generalized n-gonal numbers.`
	MATHEMATICA	`Union[4Range[50], 2+12Range[16]]`
	CROSSREFS	`Sequence in context: A009507 A064657 A048314 this_sequence A024911 A024906 A064711` `Adjacent sequences: A118283 A118284 A118285 this_sequence A118287 A118288 A118289`
	KEYWORD	`nonn`
	AUTHOR	`T. D. Noe (noe(AT)sspectra.com), Apr 23 2006`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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