71172096

Appears in sequences

• 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 398", based on the 5-celled von Neumann neighborhood.at n=32A288015
• a(n) = (2*n)! * [x^(2*n)] cosh(x)^n.at n=6A381459