-400

Appears in sequences

• Coefficients of a Dirichlet series.at n=35A002558
• Triangle of coefficients of Chebyshev polynomials T_n(x).at n=32A008310
• Expansion of tanh(tan(tan(x))).at n=3A009808
• Normalized sequence of cumulants formed from moments in a quantum many-body problem at its critical point.at n=5A011859
• Expansion of Product_{m>=1} (1-m*q^m)^20.at n=3A022680
• Coefficients of Chebyshev polynomials of the first kind: triangle of coefficients in expansion of cos(n*x) in descending powers of cos(x).at n=33A028297
• Expansion of (eta(q) * eta(q^5))^4 in powers of q.at n=37A030210
• Signed double Pochhammer triangle: expansion of x(x-2)(x-4)..(x-2n+2).at n=11A039683
• Triangle of coefficients of cos(x)^n in polynomial for cos(nx).at n=61A039991
• Triangle of coefficients of Chebyshev's T(n,x) polynomials (powers of x in increasing order).at n=59A053120
• Matrix inverse of triangle A055134.at n=24A055135
• Low-temperature magnetization expansion for square lattice (Potts model, q=4).at n=10A057378
• McKay-Thompson series of class 24C for Monster.at n=50A058573
• a(n) = A023194 - A062700(n). Negative values of A071166(m) = m-A006530(A000203(m)) differences. In these cases m is square number from A023194.at n=9A071167
• Alternating partial sums of A000217.at n=39A083392
• Triangle of integers used to compute column sequences of array A078739 ((2,2)-Stirling2).at n=13A089511
• a(n) = -a(n-1) -a(n-2) -a(n-3) +a(n-4), a(0)=0, a(1)=1, a(2)=-1, a(3)=0.at n=28A100329
• Triangle read by rows: T(n,k) is the coefficient of x^k (0<=k<=n) in the monic characteristic polynomial of the n X n matrix with 3's on the diagonal and 1's elsewhere (n>=1). Row 0 consists of the single term 1.at n=24A103247
• McKay-Thompson series of class 12f for the Monster group.at n=16A112149
• Triangle read by rows: T satisfies the matrix products: C*T*C = T^-1 and T*C*T = C^-1, where C is Pascal's triangle.at n=31A118800