238818

Appears in sequences

• Number of aperiodic binary necklaces of length n with no subsequence 00, excluding the necklace "0".at n=32A006206
• Number of orbits of length n under the map whose periodic points are counted by A001350.at n=32A060280
• 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), (1, 0, 1), (1, 1, 0)}.at n=9A150767
• Inverse Euler transform applied once to {1,-1,0,0,0,...}, twice to {1,0,0,0,0,...}, or three times to {1,1,1,1,1,...}.at n=33A320767