-838

Appears in sequences

• McKay-Thompson series of class 18e for the Monster group.at n=25A058543
• Expansion of 1/((1 + x^3 - x^4)*(1 - x)).at n=43A177825
• Expansion of Product_{k>=1} (1 - x^k)^k/(1 - x^(5*k))^(5*k).at n=29A285285
• Expansion of Product_{k>=1} (1 - x^k)^p(k), where p(k) = number of partitions of k (A000041).at n=30A300508
• Triangle T(n,k) read by rows, giving even-numbered coefficients of the matching polynomial of the n-ladder graph.at n=41A308244
• E.g.f. A(x) satisfies A(x) = 1 + 2 * (1 - exp(-x)) * A(1 - exp(-x)).at n=5A355093