A053995 - OEIS

%I #16 Sep 28 2022 11:16:34

%S 1,2,24,1872,1010880,3963053952,116846682720768,26600881786245651456,

%T 47704425342545776582103040,684471586202557775548246032261120,

%U 79552147744537053441626504660608566263808,75648987817302293231984664268437958161057494925312

%N Bases of n-dimensional vector space over GF(3).

%F a(n) = (3^n-1)(3^n-3)...(3^n-3^(n-1))/n!.

%F From _Geoffrey Critzer_, Sep 27 2022: (Start)

%F Sum_{n>=0} a(n)*x^n/A053290(n) = exp(x).

%F a(n) = A053290(n) / n!. (End)

%Y Cf. A053290, A053601.

%K easy,nonn

%O 0,2

%A _Vladeta Jovovic_, Apr 05 2000