16121856

Appears in sequences

• Number of permutations of length n containing exactly once 132 and 213, likewise for pattern pair (231,312).at n=19A089264
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 966", based on the 5-celled von Neumann neighborhood.at n=23A290833