id:A114250 - OEIS Search Results

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Number of Fermat pseudoprimes to bases 2, 3, 5, and 7 less than 10^n.

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0, 0, 0, 0, 3, 19, 63, 175 (list; graph; listen)

	OFFSET	`1,5`
	LINKS	`Eric Weisstein's World of Mathematics, FermatPseudoprime`
	FORMULA	`a(n) = card{ m in A083739, m<10^n}. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 07 2008`
	CROSSREFS	`Sequence in context: A027272 A106875 A041015 this_sequence A071245 A091968 A064056` `Adjacent sequences: A114247 A114248 A114249 this_sequence A114251 A114252 A114253`
	KEYWORD	`nonn,more`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com), Nov 18, 2005`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.