id:A015911 - OEIS Search Results

Search: id:A015911

Displaying 1-1 of 1 results found.

page 1

Numbers n such that 2^n (mod n) is odd.

+0
10

25, 45, 55, 91, 95, 99, 125, 135, 143, 153, 155, 161, 175, 187, 225, 235, 245, 247, 261, 273, 275, 279, 285, 289, 297, 319, 329, 333, 335, 355, 363, 369, 387, 391, 403, 407, 413, 423, 425, 429, 435, 437, 441, 459, 473, 477, 481, 483, 493, 507 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Zak Seidov, Table of n, a(n) for n = 1..10000`
	MATHEMATICA	`Select[Range@532, OddQ@PowerMod[2, #, # ] &]`
	CROSSREFS	`Sequence in context: A031331 A138091 A105507 this_sequence A054520 A038811 A028505` `Adjacent sequences: A015908 A015909 A015910 this_sequence A015912 A015913 A015914`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com)`

page 1

Search completed in 0.002 seconds

Last modified November 30 22:12 EST 2008. Contains 150989 sequences.

AT&T Labs Research