88080384

Appears in sequences

• a(n) = n*2^n - 2^n = 2^n*(n-1).at n=21A058922
• a(n) = n*(n-1)*8^n.at n=7A128802
• Triangle, read by rows, where T(n,k) = 2^[n*(n-1) - k*(k-1)] * binomial(n,k) for n>=k>=0.at n=33A134484
• a(n)=4a(n-2).at n=23A137480
• a(n) = 21*2^n.at n=22A175805
• a(n) = n*4^(n/2 - 1)*(9 + (-1)^n).at n=21A187274
• (n-1)-st elementary symmetric function of the first n terms of (2,2,1,2,2,1,2,2,1,...)=(A130196 for n>0).at n=31A203167
• Rolling cube footprints: number of 2 X n 0..5 arrays starting with 0 where 0..5 label faces of a cube and every array movement to a horizontal, diagonal or antidiagonal neighbor moves across a corresponding cube edge.at n=7A223270
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 211", based on the 5-celled von Neumann neighborhood.at n=26A279875
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 260", based on the 5-celled von Neumann neighborhood.at n=26A280373