A356868 a(n) = n^2 * prime(n).

2, 12, 45, 112, 275, 468, 833, 1216, 1863, 2900, 3751, 5328, 6929, 8428, 10575, 13568, 17051, 19764, 24187, 28400, 32193, 38236, 43907, 51264, 60625, 68276, 75087, 83888, 91669, 101700, 122047, 134144, 149193, 160684, 182525, 195696, 214933, 235372, 254007, 276800, 300899

Offset: 1

Author

Alex Ratushnyak, Sep 01 2022

Keywords

• nonn
• easy

Crossrefs

Cf. A000040, A000290, A004232, A033286, A196421.

Programs

Mathematica

a[n_] := n^2 * Prime[n]; Array[a, 40] (* Amiram Eldar, Sep 02 2022 *)

Python

from sympy import prime
def a(n): return n**2 * prime(n)
print([a(n) for n in range(1, 41)]) # Michael S. Branicky, Sep 01 2022