id:A125049 - OEIS Search Results

Search: id:A125049

Displaying 1-1 of 1 results found.

page 1

a(1) = 1. If a(n) is prime, a(n+1) = 2*a(n); otherwise, a(n+1) = 2*a(n) + 1.

+0
2

1, 3, 6, 13, 26, 53, 106, 213, 427, 855, 1711, 3423, 6847, 13695, 27391, 54783, 109567, 219134, 438269, 876539, 1753079, 3506159, 7012318, 14024637, 28049275, 56098551, 112197103, 224394207, 448788415, 897576831, 1795153663, 3590307326 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A125050.` `Sequence in context: A019300 A072762 A081254 this_sequence A164991 A123247 A112306` `Adjacent sequences: A125046 A125047 A125048 this_sequence A125050 A125051 A125052`
	KEYWORD	`nonn`
	AUTHOR	`Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Nov 17 2006`

page 1

Search completed in 0.002 seconds

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research