53082

Appears in sequences

• a(n) = 19683*n - 5967.at n=2A157669
• Equals two maps: number of nX2 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and vertical neighbors in a random 0..1 nX2 array.at n=8A220238
• T(n,k)=Equals two maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and vertical neighbors in a random 0..1 nXk array.at n=46A220242
• Numbers k such that A073734(k) is neither squarefree nor a prime power.at n=23A365899
• Irregular triangle read by rows: T(n,k) (0 <= k <= n^2) are coefficients of exact spanning probability for site percolation along the second dimension for an n X n 2D triangular lattice with periodic boundary conditions.at n=54A366465