A202307 Floor(sqrt(11*n)).

0, 3, 4, 5, 6, 7, 8, 8, 9, 9, 10, 11, 11, 11, 12, 12, 13, 13, 14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 22, 22, 22, 22, 22, 23, 23, 23, 23, 24, 24, 24, 24, 25, 25, 25, 25, 25, 26

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..10000

Formula

a(n) = A000196(11n).

Mathematica

Table[Floor[Sqrt[11n]], {n, 0, 80}].

Prog

(Magma) [Floor(Sqrt(11*n)) : n in [0..80]];
(PARI) a(n)=sqrtint(11*n) \\ Charles R Greathouse IV, Jan 17 2012

Crossrefs

Cf. A172471, A202304, A202305, A202306.

Sequence in context: A333914 A140255 A050270 * A009041 A196033 A248631

Adjacent sequences: A202304 A202305 A202306 * A202308 A202309 A202310

Keyword

nonn,easy

Author

Vincenzo Librandi, Jan 17 2012

Status

approved