%I #13 Jan 30 2023 14:06:02
%S 1,720,3246670537110000,101097362223624462291180422369532000000,
%T 11820969246826954556547676599863670334721199951925900837836206749590000
%N a(n) = (6*n^2)!/((n^2)!^6).
%C For n >= 1, a(n) is the number of possible combinations of an n X n X n Rubik's cube with randomly placed stickers.
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Rubik's_Cube">Rubik's Cube</a>.
%F a(n) = (6*n^2)!/((n^2)!^6).
%t Table[(6*n^2)!/(n^2)!^6, {n, 0, 4}]
%o (Magma) [Factorial(6*n^2)/Factorial(n^2)^6: n in [0..4]];
%o (PARI) a(n)=(6*n^2)!/(n^2)!^6;
%Y Cf. A201555.
%K nonn,easy
%O 0,2
%A _Arkadiusz Wesolowski_, Feb 27 2017