20238

Appears in sequences

• Number of alkyls C_{n+15} H_{2n+10} (Anthr.) with n carbon atoms.at n=8A000648
• 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, 0, 1), (0, 0, 1), (0, 1, -1), (0, 1, 0), (1, -1, 0)}.at n=8A150143
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 387", based on the 5-celled von Neumann neighborhood.at n=32A271545