23594

Appears in sequences

• Molien series for a certain 16-dimensional group of order 10321920.at n=13A105319
• Eigentriangle generated from A109128, row sums = expansion of {2(exp(x)-1)}.at n=50A144061
• Let f(n) = Sum_{j>=1} j^n/binomial(2*j,j) = r_n*Pi*sqrt(3)/3^{t_n} + s_n/3; sequence gives r_n.at n=7A181334
• (Round(c^prime(n)) - 1)/prime(n), where c is the hexanacci constant (A118427).at n=1A239565
• Growth series for affine Coxeter group B_5.at n=19A267168
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 451", based on the 5-celled von Neumann neighborhood.at n=33A272258
• Number of compositions (ordered partitions) of n into heptagonal pyramidal numbers (A002413).at n=52A322855
• Number of integer compositions of n with all parts > 1 that are not the first sums of any composition.at n=23A391681