A195072 a(n) = n - floor(n/sqrt(3)).

1, 1, 2, 2, 3, 3, 3, 4, 4, 5, 5, 6, 6, 6, 7, 7, 8, 8, 9, 9, 9, 10, 10, 11, 11, 11, 12, 12, 13, 13, 14, 14, 14, 15, 15, 16, 16, 17, 17, 17, 18, 18, 19, 19, 20, 20, 20, 21, 21, 22, 22, 22, 23, 23, 24, 24, 25, 25, 25, 26, 26, 27, 27, 28, 28, 28, 29, 29, 30, 30, 31, 31, 31

Offset

1,3

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..10000

Mathematica

(See A195073.)

Prog

(Magma) [n-Floor(n/Sqrt(3)): n in [1..80] ]; // Vincenzo Librandi, Sep 10 2011

Crossrefs

Cf. A194073, A195074.

Sequence in context: A028827 A083055 A231149 * A121828 A057357 A308358

Adjacent sequences: A195069 A195070 A195071 * A195073 A195074 A195075

Keyword

nonn

Author

Clark Kimberling, Sep 08 2011

Status

approved