-393

Appears in sequences

• Percolation series for directed hexagonal lattice.at n=11A006836
• Expansion of log(1+x)*cos(tanh(x)).at n=7A009409
• Expansion of log(1+x)/cosh(sin(x)).at n=7A009431
• arctanh(arctan(sin(x))) = x - 1/3!*x^3 + 9/5!*x^5 - 393/7!*x^7 + 25329/9!*x^9 - ...at n=3A012191
• McKay-Thompson series of class 10c for Monster.at n=26A058204
• McKay-Thompson series of class 24f for Monster.at n=25A058589
• Expansion of sqrt(1-4x)/(1-x).at n=7A106191
• Triangle read by rows: T(r,c)=T(r,c-1)+T(r,c+1)+T(r-1,c-1).at n=52A129396
• Triangle read by rows: T(r,c)=T(r,c-1)+T(r,c+1)+T(r-1,c-1).at n=60A129396
• Expansion of 1/(1+x^2-x^3+x^4).at n=30A129903
• A nonsense sequence.at n=47A139343
• Polynomial expansion sequence : p(x)=1 + x - x^5 + x^9 + x^10.at n=52A143605
• a(n) = 3*a(n-1) - 4*a(n-2) with a(0) = 2, a(1) = 3.at n=11A247563
• a(n) = 3*a(n-2) - 4*a(n-4) with a(0) = 2, a(1) = 1, a(2) = 3, a(3) = 1.at n=22A247564
• Coefficients of mock modular form H_1^(2) of type 2A, divided by 2.at n=13A256059
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 403", based on the 5-celled von Neumann neighborhood.at n=13A271810
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 502", based on the 5-celled von Neumann neighborhood.at n=47A272580
• Expansion of r(q^3) / r(q)^3 in powers of q where r() is the Rogers-Ramanujan continued fraction.at n=25A285583
• Dirichlet g.f.: zeta(s) / (zeta(s-1) * zeta(s-2)).at n=43A351654
• Triangle read by rows. T(n, k) = Sum_{j=k..n} binomial(n, j) * (-j)^(n - j) * (-1)^(j - k)* A360177(j, k).at n=11A360176