0,2

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

a(n) = A000196(7n).

Table[Floor[Sqrt[7n]], {n, 0, 80}].

(MAGMA) [Floor(Sqrt(7*n)) : n in [0..80]]; \

(PARI) a(n)=sqrtint(7*n) \\ Charles R Greathouse IV, Jan 17 2012

Cf. A172471, A202304, A202305.

Sequence in context: A138370 A125051 A064067 * A275579 A198292 A020892

Adjacent sequences: A202303 A202304 A202305 * A202307 A202308 A202309

nonn,easy

Vincenzo Librandi, Jan 17 2012

approved