43547

Appears in sequences

• Number of primitive (aperiodic) reversible string structures with n beads using a maximum of five different colors.at n=9A056334
• Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 7 ones in any 4 X 4 X 4 subtriangle.at n=7A153954
• Coordination sequence for (2,5,infinity) tiling of hyperbolic plane.at n=23A265068
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 541", based on the 5-celled von Neumann neighborhood.at n=34A272807