A022162 - OEIS

A022162

First column of spectral array W(sqrt(3/2)).

1, 2, 3, 4, 7, 8, 9, 11, 13, 14, 15, 17, 18, 20, 22, 23, 24, 26, 28, 29, 30, 31, 34, 35, 36, 37, 40, 41, 42, 44, 45, 47, 48, 50, 51, 53, 55, 56, 57, 58, 61, 62, 63, 64, 67, 68, 69, 71, 73, 74, 75, 77, 78, 80, 82, 83, 84, 86, 88, 89, 90, 91, 94, 95, 96, 97

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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[Sqrt[3/2]*Floor[Sqrt[3/2]*n]], {n, 1, 50}] (* G. C. Greubel, May 27 2018 *)

PROG

(PARI) a(n) = floor(sqrt(3/2)*floor(sqrt(3/2)*n)); \\ Michel Marcus, Mar 05 2014

(Magma) [Floor(Sqrt(3/2)*Floor(n*Sqrt(3/2))): n in [1..50]]; // G. C. Greubel, May 27 2018

CROSSREFS

Cf. A022163.

Sequence in context: A287664 A037080 A167055 * A022164 A074215 A145487

Adjacent sequences: A022159 A022160 A022161 * A022163 A022164 A022165

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

More terms from Michel Marcus, Mar 05 2014

STATUS

approved