68208

Appears in sequences

• Expansion of Lambert W function in powers of log(log(x))/log(x).at n=23A073315
• Triangle of coefficients of q in e.g.f. that satisfies: A(x,q) = exp( q*x*A(q*x,q) ), read by rows of [n*(n-1)/2 + 1] terms in row n for n>=0.at n=69A126265
• T(n,k) = Number of n-turn rook's tours on a k X k board summed over all starting positions.at n=48A187189
• Number of 4-turn rook's tours on an n X n board summed over all starting positions.at n=6A187191
• Number of (n+2) X 3 binary arrays avoiding patterns 001 and 101 in rows and columns.at n=25A202195
• Number n such that Fibonacci(n) is divisible by n, n + 1 and n - 1.at n=13A221018
• Triangle read by rows, T(n,k) = EL(n,k)/(n-k+1)! and EL(n,k) the matrix-exponential of the unsigned Lah numbers scaled by exp(-1), for n>=0 and 0<=k<=n.at n=48A256550
• Number of 2 X 2 planar subsets in an n X n X n cube.at n=29A270205
• Number of parts in all partitions of n in which no part occurs more than four times.at n=35A320607
• Irregular table read by rows: T(n,k) is the number of k-gons, k>=3, in a regular drawing of a complete bipartite graph where the vertex positions on each part equal the Farey series of order n.at n=28A359694