id:A133323 - OEIS Search Results

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Hex (or centered hexagonal) numbers that are prime powers of the form (6n+1)^k.

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7, 19, 37, 61, 127, 169, 271, 331, 397, 547, 631, 919, 1657, 1801, 1951, 2269, 2437, 2791, 3169, 3571, 4219, 4447, 5167, 5419, 6211, 7057, 7351 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Eric Weisstein's World of Mathematics, Hex Number.`
	CROSSREFS	`Subsequence of A003215.` `Adjacent sequences: A133320 A133321 A133322 this_sequence A133324 A133325 A133326` `Sequence in context: A023224 A113743 A003215 this_sequence A002407 A098484 A121091`
	KEYWORD	`nonn`
	AUTHOR	`Mats Granvik (mgranvik(AT)abo.fi), Oct 18 2007, Oct 19 2007`

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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