id:A083735 - OEIS Search Results

Search: id:A083735

Displaying 1-1 of 1 results found.

page 1

Pseudoprimes to bases 3 and 7.

+0
1

703, 1105, 2465, 10585, 18721, 19345, 29341, 38503, 46657, 50881, 75361, 76627, 88831, 104653, 115921, 146611, 162401, 188191, 213265, 226801, 252601, 278545, 286903, 294409, 314821, 334153, 340561, 359341, 385003, 385201, 399001, 410041 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`F. Richman, Primality testing with Fermat's little theorem`
	FORMULA	`a(n) = n-th positive integer k(>1) such that 3^(k-1) = 1 (mod k) and 7^(k-1) = 1 (mod k)`
	EXAMPLE	`a(1)=703 since it is the first number such that 3^(k-1) = 1 (mod k) and 7^(k-1) = 1 (mod k)`
	PROGRAM	`Assembly`
	CROSSREFS	`Sequence in context: A035852 A045146 A133215 this_sequence A105846 A091553 A126830` `Adjacent sequences: A083732 A083733 A083734 this_sequence A083736 A083737 A083738`
	KEYWORD	`easy,nonn`
	AUTHOR	`Serhat Sevki Dincer (sevki(AT)ug.bilkent.edu.tr), May 05 2003`

page 1

Search completed in 0.002 seconds

Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

AT&T Labs Research