-1464

Appears in sequences

• Coefficients of Jacobi cusp form of index 1 and weight 10.at n=24A003784
• Expansion of theta_3(q) / theta_3(q^2) in powers of q.at n=26A080015
• Coordination sequence for octagonal tiling is a(n)*sqrt(2) + A103909(n).at n=21A103908
• Coefficients of series whose square is the weight enumerator of the [8,4,4] Hamming code (see A002337).at n=4A108095
• Expansion of 3 * (b(q)^2/b(q^2)) / (c(q)^2/c(q^2)) in powers of q where b(), c() are cubic AGM theta functions.at n=12A128637
• Expansion of phi(-q) / phi(q^2) in powers of q where phi() is a Ramanujan theta function.at n=26A210030
• Expansion of phi(q^2) / phi(q) in powers of q where phi() is a Ramanujan theta function.at n=13A210065
• Riordan array (1/(1-x-x^2), x/(1+2*x)).at n=49A237498
• Expansion of q^(-1) * (f(-q^3, -q^5) / f(-q, -q^7))^2 in powers of x where f(,) is Ramanujan's two-variable theta function.at n=53A245436
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 278", based on the 5-celled von Neumann neighborhood.at n=41A271098