A053995 Bases of n-dimensional vector space over GF(3).
1, 2, 24, 1872, 1010880, 3963053952, 116846682720768, 26600881786245651456, 47704425342545776582103040, 684471586202557775548246032261120, 79552147744537053441626504660608566263808, 75648987817302293231984664268437958161057494925312
Offset: 0
Formula
a(n) = (3^n-1)(3^n-3)...(3^n-3^(n-1))/n!.
From Geoffrey Critzer, Sep 27 2022: (Start)
Sum_{n>=0} a(n)*x^n/A053290(n) = exp(x).
a(n) = A053290(n) / n!. (End)