55365

Appears in sequences

• a(n) = T(n, n+3), T given by A027052.at n=14A027054
• Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 3,1 polyhexes in any orientation on a planar nXnXn triangular grid.at n=7A155224
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 910", based on the 5-celled von Neumann neighborhood.at n=8A273763
• a(n) = Sum_{d|n} mu(n/d) * binomial(d,4).at n=35A346761