15690529803
domain: N
Appears in sequences
- a(n) = (3^n - 3)/2.at n=21A029858
- a(0) = 1, a(1) = 3, a(n) = 3*a(n-1) + 3 for n > 1.at n=21A123109
- a(n) is the smallest positive integer k such that 3^n - 2 divides 3^(n + k) + 2, or 0 if there is no such k.at n=21A298940
- a(n) is the numerator of the ratio of winning probabilities in a game similar to A370823, but with a draw and single round odds A:B:draw of 3:2:1.at n=20A370825