A022160 First column of spectral array W(e-1).

1, 5, 8, 10, 13, 17, 20, 22, 25, 29, 30, 34, 37, 41, 42, 46, 49, 51, 54, 58, 61, 63, 67, 70, 72, 75, 79, 82, 84, 87, 91, 92, 96, 99, 103, 104, 108, 111, 115, 116, 120, 123, 125, 128, 132, 135, 137, 140, 144, 146, 149, 152, 156, 158, 161, 164, 166, 170, 173

Offset

1,2

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.

Mathematica

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

Prog

(PARI) a(n) = floor((exp(1)-1)*floor((exp(1)-1)*n)); \\ Michel Marcus, Mar 05 2014
(Magma) [Floor((Exp(1)-1)*Floor(n*(Exp(1)-1))): n in [1..50]]; // G. C. Greubel, May 27 2018

Crossrefs

Cf. A022161.

Sequence in context: A078781 A256359 A287073 * A022158 A032717 A361300

Adjacent sequences: A022157 A022158 A022159 * A022161 A022162 A022163

Keyword

nonn

Author

Clark Kimberling

Extensions

More terms from Michel Marcus, Mar 05 2014

Status

approved