54525951

Appears in sequences

• a(n) = T(2, n), where T is the array given by A047858.at n=22A047859
• Number of (inequivalent) fuzzy subgroups of the direct sum of group of integers modulo p^n and group of integers modulo 2 for a prime p with (p,2) = 1. Z_{p^n} + Z_2.at n=17A107392
• a(n) = 13*2^n-1.at n=22A198274
• Decimal representation of the middle column of the "Rule 143" elementary cellular automaton starting with a single ON (black) cell.at n=25A267539
• 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 149", based on the 5-celled von Neumann neighborhood.at n=25A286085