-276

Appears in sequences

• Low temperature series for spin-1/2 Ising magnetic susceptibility on 3-dimensional simple cubic lattice.at n=7A002926
• Expansion of Product_{m>=1} (1+q^m)^(-6).at n=7A022601
• Expansion of Product_{m>=1} (1-m*q^m)^23.at n=4A022683
• Discriminants of quadratic number fields Q(sqrt -n) for n squarefree.at n=42A033197
• Triangle a(n,k) (1<=k<=n) of "signed Eulerian numbers" read by rows.at n=50A049061
• Coefficients of the '6th-order' mock theta function phi(q).at n=47A053268
• McKay-Thompson series of class 8b for Monster.at n=14A058088
• McKay-Thompson series of class 24C for Monster.at n=46A058573
• Expansion of 1/((1-x)*(1+x+x^2+2*x^3)).at n=23A077909
• Alternating sum of squares to n.at n=22A089594
• Inverse binomial transform of number triangle A105632.at n=49A105847
• G.f. A(x) satisfies: A(x)^3 = A(x^3) + 9*x.at n=4A107090
• G.f. A(x) satisfies: A(x) = A(x^3)^(1/3) + 9*x.at n=12A107091
• a(n) = sum( (-1)^(r+1)*(n-r)*r, r = 1..floor(n/2) ).at n=46A110422
• Sequence is {a(3,n)}, where a(m,n) is defined at sequence A110665.at n=23A110668
• McKay-Thompson series of class 8c for the Monster group.at n=14A112145
• Expansion of psi(-q)/psi(-q^2) in powers of q where psi() is a Ramanujan theta function.at n=39A116498
• Expansion of (eta(q) * eta(q^6))^7 / (eta(q^2) * eta(q^3))^5 in powers of q.at n=43A123532
• a(n) = mu(n) * A000217(n).at n=22A125287
• a(n) = (-1)^n * Sum_{i=1..floor(n/2)} i * floor(n/(n-i)).at n=47A131119