A017963 Powers of sqrt(19) rounded up.

1, 5, 19, 83, 361, 1574, 6859, 29898, 130321, 568057, 2476099, 10793066, 47045881, 205068241, 893871739, 3896296579, 16983563041, 74029634997, 322687697779, 1406563064943, 6131066257801, 26724698233907

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..700

Mathematica

Ceiling[(Sqrt[19])^Range[0, 40]] (* Vincenzo Librandi, Nov 21 2011 *)

Prog

(Magma) [Ceiling(Sqrt(19^n)): n in [0..30]]; // Vincenzo Librandi, Nov 21 2011

Crossrefs

Sequence in context: A149788 A149789 A149790 * A149791 A149792 A149793

Adjacent sequences: A017960 A017961 A017962 * A017964 A017965 A017966

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved