A184814 n+[nr/t]+[ns/t], where r=sqrt(2), s=sqrt(3), t=sqrt(5), and []=floor.

1, 4, 6, 9, 11, 13, 16, 19, 20, 23, 25, 28, 31, 32, 35, 38, 40, 42, 45, 47, 50, 52, 54, 57, 59, 62, 64, 66, 69, 71, 74, 76, 78, 81, 84, 85, 88, 91, 93, 95, 97, 100, 103, 105, 107, 110, 112, 115, 116, 119, 122, 124, 127, 129, 131, 134, 137, 138, 141, 143, 146, 149, 150, 153, 156, 158

Offset

1,2

Comments

See A184812.

Links

G. C. Greubel, Table of n, a(n) for n = 1..10000

Mathematica

(See A184812.)

Prog

(PARI) a(n) = n + floor(n*sqrt(2/5)) + floor(n*sqrt(3/5)); \\ Michel Marcus, Jul 01 2017

Crossrefs

Cf. A184812, A184813.

Sequence in context: A189926 A060106 A186222 * A190001 A189532 A094550

Adjacent sequences: A184811 A184812 A184813 * A184815 A184816 A184817

Keyword

nonn

Author

Clark Kimberling, Jan 22 2011

Status

approved