-606

Appears in sequences

• McKay-Thompson series of class 30A for Monster.at n=43A058612
• McKay-Thompson series of class 30A for Monster.at n=47A058612
• McKay-Thompson series of class 42C for the Monster group.at n=65A102314
• Expansion of (1+x)^2/(1-2x^2+x^3).at n=19A113312
• Triangle of coefficients p(k, x), where p(k, x) = 2*(k-1)*p(k-1, x) -x*p(k-2, x), read by rows.at n=17A123235
• Let c(n) = x^(2^n-1)*(1-x^(2^n)), g(n) = 1 + x^(2^n-1) + x^(2^n), h(n) = Product_{i=1..n} g(i); then use g.f. (1+2*x) - Sum_{n>=1} c(n)/h(n).at n=56A151684
• McKay-Thompson series of class 30A for the Monster group with a(0) = -3.at n=43A205826
• McKay-Thompson series of class 30A for the Monster group with a(0) = -3.at n=47A205826
• Related to residues of poles of moment function for random walks in 4 dimensions.at n=6A253093
• G.f. satisfies: A(x) = (1 + x) * Product_{k>0} A(x^(2*k)) / Product_{k>1} A(x^(2*k-1)).at n=63A321325
• Alternating row sums of A066448.at n=50A350310
• Site percolation series for triangular lattice: coefficients of the power series expansion in powers of q=1-p of the probability that a given site (not assumed to be open) belongs to the infinite cluster, where p is the probability that a site is open.at n=14A391390