58641
domain: N
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, -1), (1, -1, 0), (1, 1, 1)}.at n=9A149557
- Number of compositions of n with exactly one part equal to 1 or exactly one part equal to 2.at n=19A238159
- Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 243", based on the 5-celled von Neumann neighborhood.at n=7A271001