A029757 a(n) = 5^n mod 2^n.

0, 1, 1, 5, 1, 21, 9, 45, 225, 357, 761, 1757, 2641, 5013, 489, 18829, 28609, 11973, 59865, 37181, 185905, 929525, 2550473, 4363757, 13430177, 42021, 33764537, 34604957, 38807057, 194035285, 433305513

Offset

0,4

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..240

Maple

a:=n->5^n mod(2^(n)): seq(a(n), n=0..33); # Zerinvary Lajos, Feb 15 2008

Prog

(PARI) A029757(n) = lift(Mod(5^n, 2^n)) \\ Michael B. Porter, Feb 02 2010
(Magma) [5^n mod 2^n: n in [0..80]]; // Vincenzo Librandi, Apr 25 2011

Crossrefs

Sequence in context: A126325 A278544 A095368 * A146056 A101625 A051929

Adjacent sequences: A029754 A029755 A029756 * A029758 A029759 A029760

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved