-900

Appears in sequences

• Shifts left when Moebius transformation applied twice.at n=41A007551
• Expansion of Product_{k>=1} (1 - x^k)^9.at n=19A010817
• Expansion of tanh(x)*tan(sin(x))/2.at n=4A024228
• Coefficient triangle of generalized Laguerre polynomials n!*L(n,5,x)(rising powers of x).at n=18A062138
• Number of partitions of n with even crank minus number of partitions of n with odd crank.at n=55A124226
• Expansion of phi(-x) * chi(-x) in powers of x where phi(), chi() are Ramanujan theta functions.at n=55A132970
• Expansion of psi(q^3) / psi(q)^3 in powers of q where psi() is a Ramanujan theta function.at n=11A132979
• Expansion of q^(-1) * psi(-q) / psi(-q^3)^3 in powers of q where psi() is a Ramanujan theta function.at n=34A133637
• Hankel transform of expansion of 1/c(x)^3, c(x) the g.f. of A000108.at n=28A144701
• a(n) = -(-1)^n * n^2.at n=29A162395
• Expansion of eta(q)^3 * eta(q^5)^9 in powers of q.at n=38A227901
• Expansion of b(q)^3 - (1/3)*c(q)^3 in powers of q where b(), c() are cubic AGM theta functions.at n=7A231962
• Expansion of q^(-1) * psi(q) / psi(q^3)^3 in powers of q where psi() is a Ramanujan theta function.at n=34A258093
• Alternating sum of centered 25-gonal numbers.at n=11A270693
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 534", based on the 5-celled von Neumann neighborhood.at n=37A272789
• a(n) = Sum_{k >= 0}(-1)^k*binomial(n,5*k+1).at n=12A289321
• Dirichlet g.f.: 1 / zeta(s-2).at n=29A334657
• Coefficient triangle of generalized Laguerre polynomials n!*L(n,n,x) (rising powers of x).at n=18A343861