-616

Appears in sequences

• q-expansion of modular form of weight 13/2: eta(8 tau)^12 * theta(tau).at n=52A002284
• Expansion of e.g.f.: sinh(log(1+sinh(x))).at n=6A009568
• Expansion of e.g.f.: exp(tan(x)-log(x+1))=1+1/2!*x^2+9/4!*x^4-8/5!*x^5+225/6!*x^6...at n=7A013439
• McKay-Thompson series of class 40b for Monster.at n=53A058666
• Coefficient triangle for certain polynomials N(2; n,x) (rising powers of x).at n=18A062991
• From reversion of e.g.f. for squares.at n=4A066399
• a(n) = A000217(n) - A048702(n).at n=66A075113
• Sum_{k=1..n-1} J(2*n,k)*k^2, where J(i,j) is the Jacobi symbol.at n=21A097543
• Sum_{k=1..2n-1} J(4*n,k)*k^2, where J(i,j) is the Jacobi symbol.at n=10A097544
• Number triangle read by rows, related to exp(x)/(cos(x) + sin(x)).at n=41A117442
• Triangle T, read by rows, equal to the matrix product T = H*[C^-1]*H, where H is the self-inverse triangle A118433 and C is Pascal's triangle.at n=41A118435
• Expansion of (1+x)/(1-x^2+x^3).at n=31A124745
• Coefficient table for polynomials related to the eigenfunctions of a certain Schroedinger problem (Poeschl-Teller I).at n=48A130415
• Triangle read by rows: expansion of Q(y, n), where Q(y,0)=1; Q(y,1)=y; Q(y, n) = -(-2 + 2*(1 - y) - 2*(1 - y)*Q(y, n - 1) + Q(y, n - 2)).at n=30A136202
• Triangle: p(x) = (1 - t/c)*(1 - t)^(-x - b); c = 1/2; b = 1.at n=41A137376
• Expansion of (phi(-q) / phi(-q^5))^2 in powers of q where phi() is a Ramanujan theta function.at n=26A138518
• A050165*A130595 as infinite lower triangular matrices.at n=24A157491
• Numerators of coefficients of integrated Chebyshev polynomials T(n,x) (in increasing order of powers of x).at n=71A164658
• Series reversion of the g.f. of A228862.at n=13A228863
• Triangle of coefficients arising in study of up-down permutations.at n=34A244888