121110528

Appears in sequences

• a(n) = 2^(n-2)*binomial(n+1,2).at n=19A052482
• Sequence associated with a(n) = 2*a(n-1) + k*(k+2)*a(n-2).at n=20A080929
• a(n) = binomial(n + 5, 5) * 8^n.at n=6A173155
• 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 222", based on the 5-celled von Neumann neighborhood.at n=27A286777
• Consider the Post tag system defined in A284116; a(n) = number of binary words of length n which terminate at the empty word.at n=28A289670
• Expansion of e.g.f. cosh(x)^2*(x+x^2/2).at n=22A385601