-335

Appears in sequences

• Expansion of e.g.f. cosh(log(1+log(1+x))).at n=5A009122
• Expansion of eta(q^2)^12 / theta_3(q)^3 in powers of q.at n=24A029769
• Product_{k>=1}1/(1 - x^k)^a(k) = 1 + 2x.at n=11A038063
• Expansion of 1 / (1 + x^2 - x^3) in powers of x.at n=32A077961
• Expansion of 1/(1+x^2+x^3).at n=32A077962
• Expansion of (1-x)/(1-2*x+x^2+x^3).at n=16A078001
• Expansion of q^(1/24) * eta(q) / eta(q^2) in powers of q.at n=67A081362
• Consider the triangle in which the n-th row starts with n, contains n terms and the difference of successive terms is 1,2,3,... up to n-1. Sequence gives row sums.at n=14A081498
• a(n) = Sum_{k=0..n-1} 7^k*B(k)*binomial(n,k) where B(k) is the k-th Bernoulli number.at n=5A083011
• Expansion of Product_{k>=1} (1 + x^k)^lambda(k) where lambda(k) is the Liouville function, A008836.at n=68A118207
• 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=36A118435
• Column 0 of triangle A118435.at n=8A118436
• A 3 X 3 determinant based recursion.at n=6A121814
• Triangle of coefficients of (1 - x)^n*B(x/(1 - x),n), where B(x,n) is the Morgan-Voyce polynomial related to A078812.at n=47A123021
• Number of partitions of n with even crank minus number of partitions of n with odd crank.at n=43A124226
• For all n >= 2, Sum_{2<=k<=n, gcd(k,n)>1} a(k) = 1. a(1)=1.at n=71A124385
• Inverse Moebius transform of signed A007318.at n=70A128315
• Expansion of phi(-x) * chi(-x) in powers of x where phi(), chi() are Ramanujan theta functions.at n=43A132970
• Expansion of (1-2x-5x^2-7x^3+x^6)/((1-x)(1-x^3)^2).at n=21A141352
• Expansion of (1-5x^2-7x^3-2x^4+x^6)/((1-x)(1-x^3)^2).at n=22A141365