30571

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, 0), (-1, 0, 0), (-1, 1, 0), (0, 0, 1), (1, 0, -1)}.at n=11A148284
• Number of 0..n arrays x(0..6) of 7 elements with zero 4th differences.at n=37A200274
• Number of subsets of {1,...,n} containing two elements whose difference is 3.at n=15A209399
• Number of 6 X n 0..2 arrays with horizontal differences mod 3 never 1, vertical differences mod 3 never -1, and rows and columns lexicographically nondecreasing.at n=7A229449
• Value of concatenation of all suffixes of binary representation of n.at n=29A241426
• Trajectory of 3932 under the map x -> A230625(x).at n=2A288894