-450

Appears in sequences

• Expansion of e.g.f.: cos(sinh(x)*log(1+x)).at n=6A009062
• Expansion of e.g.f. cos(arcsin(x)*log(x+1))=1-12/4!*x^4+60/5!*x^5-450/6!*x^6+2940/7!*x^7...at n=6A012308
• Expansion of e.g.f. sech(arcsin(x)*log(x+1)).at n=6A012315
• E.g.f.: sech(sinh(x)*log(x+1))=1-12/4!*x^4+60/5!*x^5-450/6!*x^6+2940/7!*x^7...at n=6A012518
• 9th differences of primes.at n=24A036270
• Image of primes (A000040) under "little Hankel" transform that sends [c_0, c_1, ...] to [d_0, d_1, ...] where d_n = c_n^2 - c_{n+1}*c_{n-1}.at n=48A056221
• Low-temperature magnetization expansion for honeycomb net (Potts model, q=3).at n=7A057390
• McKay-Thompson series of class 12a for Monster.at n=6A058489
• Triangle, read by rows, where the n-th row lists the (2*n+1) coefficients of (1 + x - 3*x^2)^n.at n=32A084614
• McKay-Thompson series of class 42C for the Monster group.at n=61A102314
• Expansion of eta(q)^9 / eta(q^3)^3 in powers of q.at n=7A109041
• Expansion of eta(q)^9 / eta(q^3)^3 in powers of q.at n=21A109041
• Expansion of e.g.f. 2*x/(1-exp(-2*x)+2*exp(-x)).at n=6A109577
• a(n) = sum( (-1)^(r+1)*(n-r)*r, r = 1..floor(n/2) ).at n=59A110422
• Expansion of psi(x)^5 / psi(x^5) - 25*x^2 * psi(x) * psi(x^5)^3 in powers of x where psi() is a Ramanujan theta function.at n=58A113259
• Triangle T(n,k) of coefficients of r_1^n+r_2^n in terms of p and q, where r_1,r_2 are the roots of x^2+px+q=0.at n=68A113279
• Triangular array from Steinbach matrices plus their squares as characteristic polynomials: M[i,j]=A[i,j]+A[i,j]^2: A[i,j]^2=Min[i,j]; CharacteristicPolynomial[M[i,j]];.at n=52A122073
• Upper half of Hankel determinant number wall for A004148.at n=72A123634
• Expansion of f(-x, -x^5) * f(-x)^2 / f(-x^6)^3 in powers of x where f(, ) and f() are Ramanujan theta functions.at n=55A132301
• Expansion of g.f. (2*x^3 + 5) / ( -x^5 + x^3 + 1).at n=35A136598