id:A020247 - OEIS Search Results

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A020247

Strong pseudoprimes to base 21.

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221, 703, 793, 3781, 7363, 9061, 11647, 13051, 17767, 19669, 19909, 22681, 27133, 30073, 31021, 38503, 41353, 43213, 58829, 79081, 80137, 83569, 88357, 92509, 96049, 104653, 107213, 121987, 127697, 128627, 129889, 130561, 133141, 139679, 139897 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Index entries for sequences related to pseudoprimes`
	CROSSREFS	`Sequence in context: A052478 A147284 A157490 this_sequence A011816 A048902 A083958` `Adjacent sequences: A020244 A020245 A020246 this_sequence A020248 A020249 A020250`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research