-284

Appears in sequences

• McKay-Thompson series of class 10C for Monster.at n=22A058099
• McKay-Thompson series of class 12G for Monster.at n=19A058485
• Generalized sum of divisors function: third diagonal of A060184.at n=48A060186
• Expansion of 1/((1-x)*(1+x+2*x^2-2*x^3)).at n=11A077910
• Expansion of (1 + 5*x)/(1 + 9*x + 25*x^2).at n=4A087171
• Expansion of psi(x^3) / psi(x) in powers of x where psi() is a Ramanujan theta function.at n=31A101195
• Coefficients of the A-Bailey Mod 9 identity.at n=58A104467
• Expansion of 1/(1-x*(1-5*x)).at n=8A106854
• McKay-Thompson series of class 24G for the Monster group.at n=46A112161
• Tripartite straight linked graphs as matrices producing polynomials and their triangular sequence: Matrix model (A120658 ): M(n,m,9)={{0, 1, 1, 1, 0, 0, 1, 0, 0}, {1, 0, 1, 0, 1, 0, 0, 1, 0}, {1, 1, 0, 0, 0, 1, 0, 0, 1}, {1, 0, 0, 0, 1, 1, 1, 0, 0}, {0, 1, 0, 1, 0, 1, 0, 1, 0}, {0, 0, 1, 1, 1, 0, 0, 0, 1}, {1, 0, 0, 1, 0, 0, 0, 1, 1}, {0, 1, 0, 0, 1, 0, 1, 0, 1}, {0, 0, 1, 0, 0, 1, 1, 1, 0}} This model is straight hyperconnections between 3 generalized K(n) complete graphs.at n=59A123590
• Expansion of (eta(q) * eta(q^2) / (eta(q^5) * eta(q^10)))^2 in powers of q.at n=22A132041
• Triangle T(n,k) with the coefficient [x^k] of the polynomial p(n,x) in row n, column k, where p(n,x) = x*p(n-1,x)-n^2*p(n-2,x).at n=52A136448
• Table T(n,k) = -2*T(n-1,k)+T(n-1,k+1) = T(n,k-4), 0<=n.at n=27A140287
• Fourth quadrisection of A140287.at n=6A140290
• Expansion of eta(q) * eta(q^10)^3 / (eta(q^2) * eta(q^4) * eta(q^5) * eta(q^20)) in powers of q.at n=53A147702
• a(n) = -2*n^2 + 12*n - 14.at n=14A147973
• Omit first term from A160534 and divide by 7.at n=46A160535
• Row sums of triangle A161363.at n=18A161375
• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of gcd(i,j) (A003989).at n=32A204025
• Irregular triangle read by rows: T(n,k) is the k-th generalized Eulerian number of order n and degree 2, for n >= 1 (the rows start at k=1).at n=20A211232