id:A118279 - OEIS Search Results

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Conjectured number of numbers that are not the sum of three n-gonal numbers, or -1 if infinite.

+0
3

0, -1, 210, 638, 1348, -1, 5282, 7687, 12453, -1, 24813, -1, 45338, -1, 63702, 84764, 109613, -1, 162687 (list; graph; listen)

	OFFSET	`3,3`
	COMMENT	`See A118278 for the conjectured largest number that is not the sum of three n-gonal numbers.`
	CROSSREFS	`Cf. A118278-A118285.` `Sequence in context: A046402 A147571 A121479 this_sequence A163263 A009127 A158559` `Adjacent sequences: A118276 A118277 A118278 this_sequence A118280 A118281 A118282`
	KEYWORD	`sign`
	AUTHOR	`T. D. Noe (noe(AT)sspectra.com), Apr 21 2006`

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Last modified December 9 14:43 EST 2009. Contains 170430 sequences.