A235707 a(n) = floor(n^2 * log(n)).

0, 2, 9, 22, 40, 64, 95, 133, 177, 230, 290, 357, 433, 517, 609, 709, 818, 936, 1062, 1198, 1342, 1496, 1658, 1830, 2011, 2202, 2402, 2612, 2831, 3061, 3300, 3548, 3807, 4076, 4355, 4644, 4943, 5252, 5572, 5902, 6242, 6593, 6954, 7326, 7708, 8101, 8504, 8919

Offset: 1

Author

Alex Ratushnyak, Apr 20 2014

Keywords

• nonn
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A050504.

Programs

Magma

[Floor(n^2 * Log(n)): n in [1..50]]; // Vincenzo Librandi, Apr 22 2014

Mathematica

Table[Floor[n^2 Log[n]], {n, 1, 50}] (* Vincenzo Librandi, Apr 22 2014 *)

Python

import math
for n in range(1, 100):  print(int(n*n*math.log(n)), end=', ')