A022158 First column of spectral array W(sqrt(3)).

1, 5, 8, 10, 13, 17, 20, 22, 25, 29, 32, 34, 38, 41, 43, 46, 50, 53, 55, 58, 62, 65, 67, 71, 74, 77, 79, 83, 86, 88, 91, 95, 98, 100, 103, 107, 110, 112, 116, 119, 122, 124, 128, 131, 133, 136, 140, 143, 145, 148, 152, 155, 157, 161, 164, 166, 169, 173, 176

Offset: 1

Author

Clark Kimberling

Keywords

• nonn

Links

• G. C. Greubel, Table of n, a(n) for n = 1..5000
• A. Fraenkel and C. Kimberling, Generalized Wythoff arrays, shuffles and interspersions, Discrete Mathematics 126 (1994) 137-149.

Crossrefs

Cf. A022159.

Programs

Magma

[Floor(Sqrt(3)*Floor(n*Sqrt(3))): n in [1..50]]; // G. C. Greubel, May 27 2018

Mathematica

Table[Floor[Sqrt[3]*Floor[Sqrt[3]*n]], {n, 1, 50}] (* G. C. Greubel, May 27 2018 *)

PARI

a(n) = floor(sqrt(3)*floor(sqrt(3)*n)); \\ Michel Marcus, Mar 05 2014

Extensions

More terms from Michel Marcus, Mar 05 2014