0,3

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

a(n) = A000196(3n), a(n)^2 = A048760(3n). - Bruno Berselli, Jan 18 2012

Table[Floor[Sqrt[3n]], {n, 0, 80}]

(MAGMA) [Isqrt(3*n) : n in [0..80]];

(PARI) a(n)=sqrtint(3*n) \\ Charles R Greathouse IV, Jan 17 2012

Cf. A060018, A172471.

Sequence in context: A201206 A101776 A189721 * A047745 A196176 A121536

Adjacent sequences: A202301 A202302 A202303 * A202305 A202306 A202307

nonn,easy

Vincenzo Librandi, Jan 17 2012

approved