A017939 Powers of sqrt(11) rounded up.

1, 4, 11, 37, 121, 402, 1331, 4415, 14641, 48559, 161051, 534146, 1771561, 5875604, 19487171, 64631635, 214358881, 710947979, 2357947691, 7820427767, 25937424601, 86024705430, 285311670611

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..900

Mathematica

Ceiling[(Sqrt[11])^Range[0, 40]] (* Vincenzo Librandi, Nov 21 2011 *)

Prog

(Magma) [Ceiling(Sqrt(11^n)): n in [0..30]]; // Vincenzo Librandi, Nov 21 2011

Crossrefs

Sequence in context: A238244 A247816 A356943 * A282702 A130494 A027573

Adjacent sequences: A017936 A017937 A017938 * A017940 A017941 A017942

Keyword

nonn

Author

N. J. A. Sloane

Status

approved