-456

Appears in sequences

• Expansion of e.g.f. cosh(sinh(x))/exp(x).at n=7A009152
• Expansion of cosh(tanh(x))/exp(x).at n=7A009170
• Expansion of sin(sin(x))*exp(x).at n=8A009477
• Expansion of sin(x)*cos(sin(x)).at n=3A009533
• Expansion of sin(x)*cos(tan(x)).at n=3A009535
• Expansion of sinh(x)*sin(sin(x)).at n=4A009626
• Expansion of tanh(tan(x))*sin(x).at n=4A009811
• Expansion of Product_{m>=1} (1 - m*q^m)^3.at n=19A022663
• Fourier coefficients of T_{20}.at n=1A048110
• McKay-Thompson series of class 9c for the Monster group.at n=13A058095
• McKay-Thompson series of class 12I for the Monster group.at n=51A058487
• Expansion of eta(q)^8 / eta(q^2)^4 in powers of q.at n=49A096727
• Coordination sequence for octagonal tiling is a(n)*sqrt(2) + A103909(n).at n=19A103908
• McKay-Thompson series of class 9b for the Monster group.at n=39A112146
• McKay-Thompson series of class 36f for the Monster group.at n=51A112176
• Alternating ones and twos tridiagonal matrices ( columns of 1's and twos) to give a triangular sequence: m(n,m,d)=If[ n == m, 1 + (1 - (-1)^(n + 1))/2, If[n == m - 1 || n == m + 1, 1 + (1 - (-1)^n)/2, 0]].at n=58A124036
• Expansion of 3 * (b(q)^2/b(q^2)) / (c(q)^2/c(q^2)) in powers of q where b(), c() are cubic AGM theta functions.at n=9A128637
• Expansion of K(k) * (2 * E(k) - K(k)) / (Pi/2)^2 in powers of q where E(k), K(k) are complete elliptic integrals and q = exp(-Pi * K(k') / K(k)).at n=49A143336
• Expansion of 2 * a(q^2)^2 - a(q)^2 in powers of q where a() is a cubic AGM theta function.at n=37A186100
• Triangle of coefficients of Faber polynomials for (3*x - sqrt(x^2 - 4*x))/2.at n=37A226952