81126

Appears in sequences

• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 0), (0, -1, 1), (0, 1, 1), (1, 0, -1)}.at n=10A148940
• Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 2,2 polyhexes in any orientation on a planar nXnXn triangular grid.at n=6A155221
• Smallest number k such that k^n is the sum of numbers in a twin prime pair.at n=30A195336
• Number of n-digit 9th powers.at n=49A216659
• Number of n X 5 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..1 n X 5 array.at n=34A220029
• Hyper-Wiener index of rows of unit cells on the face-centered cubic lattice.at n=7A302256