65399

Appears in sequences

• a(n) = 2^n - 1 - n*(n+1)/2.at n=16A002662
• a(n) = Sum_{k=0..13} binomial(n, k).at n=16A219676
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 177", based on the 5-celled von Neumann neighborhood.at n=15A286202
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 581", based on the 5-celled von Neumann neighborhood.at n=15A289525
• Table read by rows. A statistic of permutations of the multiset {1,1,2,2,...,n,n}.at n=34A358112