-853

Appears in sequences

• Percolation series for directed hexagonal lattice.at n=12A006836
• Inverse binomial transform of A002487.at n=10A071015
• Expansion of eta(q) * eta(q^9) * eta(q^21)^2 / (eta(q^3)^2 * eta(q^7) * eta(q^63)) in powers of q.at n=50A226059
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 115", based on the 5-celled von Neumann neighborhood.at n=15A270184
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 123", based on the 5-celled von Neumann neighborhood.at n=15A270213
• Expansion of e.g.f. log(1 + arcsin(x))*exp(-x).at n=6A297209
• Product_{n>=1} 1 / (1 - a(n)*x^n) = 1 + Sum_{n>=1} x^prime(n).at n=63A348127