-385

Appears in sequences

• Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^7 in powers of x.at n=11A001485
• Expansion of Product_{k>=1} (1 - x^k)^11.at n=19A010819
• cos(arcsinh(x)*cos(x))=1-1/2!*x^2+17/4!*x^4-385/6!*x^6+15073/8!*x^8...at n=3A012639
• Triangle of Gaussian (or q-binomial) coefficients for q = -2.at n=24A015109
• Gaussian binomial coefficient [ n,3 ] for q = -2.at n=3A015266
• McKay-Thompson series of class 12E for the Monster group.at n=13A058483
• Expansion of 1/(1+x^2-2*x^3).at n=18A077912
• Expansion of 1/((1-x)*(1+2*x-2*x^2-2*x^3)).at n=7A077915
• Expansion of 1/(1+x^2+2*x^3).at n=18A077963
• 5th differences of partition numbers A000041.at n=44A081095
• Expansion of q^(1/24) * eta(q) / eta(q^2) in powers of q.at n=69A081362
• First order recursion: a(0)=1; a(n) = sigma(1,n) - a(n-1).at n=47A083238
• First order recursion: a(0) = 1; a(n) = phi(n) - a(n-1) = A000010(n) - a(n-1).at n=62A083239
• Expansion of the g.f. x/((1+2x)(1-x-x^2)).at n=10A084179
• Triangle M(k,n) read by rows: coefficients of Meixner polynomials.at n=36A094368
• The r-th term of the n-th row of the following array contains the sum of r successively decreasing integers beginning from n. 0<r<=n. e.g. the row corresponding to 4 contains 4, (3+2),{(1) +(0)+(-1)}, {(-2)+(-3)+(-4)+(-5)} ----> 4,5,0,-14 1 2 1 3 3 -3 4 5 0 -14 5 7 3 -10 -35 6 9 6 -6 -30 -69 ... Sequence contains the array by rows.at n=64A110425
• Number triangle read by rows, related to exp(x)/(cos(x) + sin(x)).at n=32A117442
• Triangle T, read by rows, where all columns of T are different and yet all columns of the matrix square T^2 (A118407) are equal; also equals the matrix inverse of triangle A118400.at n=99A118404
• 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=32A118435
• Matrix inverse of triangle A121334, where A121334(n,k) = C( n*(n+1)/2 + n-k, n-k) for n>=k>=0.at n=23A121439