-2375

Appears in sequences

• Expansion of (1 - 2*x^2)/(1 + x)^5. Fourth column of Riordan triangle A248156.at n=18A248160
• Triangle read by rows: coefficients for predictor y(x_1) for step-by-step integration.at n=20A260780
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 41", based on the 5-celled von Neumann neighborhood.at n=29A269875
• Expansion of f(-x) * f(-x^2)^4 / phi(x^2) in powers of x where phi(), f() are Ramanujan theta functions.at n=34A275372
• G.f. A(x) satisfies A(x) = 1 + x/A(-x*A(x)^2)^2.at n=9A384895
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A384895.at n=64A384900