-478

Appears in sequences

• Glaisher's chi_8(n).at n=12A002607
• Expansion of q^(-1/2) * (eta(q) * eta(q^2))^4 in powers of q.at n=48A030211
• McKay-Thompson series of class 16e for the Monster group.at n=38A058526
• McKay-Thompson series of class 36B for the Monster group.at n=73A062244
• a(n) = floor( prime(n-1)*A036263(n-2)/ A001223(n-1)).at n=50A094900
• McKay-Thompson series of class 16f for the Monster group.at n=38A112153
• Triangle read by rows: coefficients of polynomials p(k) = (-x + k + 1)*p(k-1), starting p(0)=1, p(1)=1-x.at n=33A123319
• Triangle read by rows: T(n,k) is the coefficient of x^k in the polynomial p[n,x] defined by p[ -1,x]=0, p[0,x]=1, p[1,x]=-x, p[n,x]=x*p[n-1,x]-(n-1)*p[n- 2,x]+(n-2)*p[n-3,x] for n>=2 (0<=k<=n).at n=47A123730
• Coefficients of the series expansion of g.f. A124635 at x=infinity.at n=5A124646
• Expansion of q^(-1/8)* eta(q)^5* eta(q^2)^3/ eta(q^4)^2 in powers of q.at n=42A128712
• Expansion of (phi(x) * psi(-x))^4 in powers of x where phi(), psi() are Ramanujan theta functions.at n=48A134461
• Numerator of Hermite(n, 5/17).at n=2A159533
• Numerator of Hermite(n, 19/31).at n=2A160317
• Coefficients of mock modular form H_1^(2) of type 2A.at n=11A256058
• G.f. A(x,y) satisfies: A(x,y) = x*y + 1/A(x,x*y), with A(0,y) = 1.at n=194A275760
• G.f. A(x,y) satisfies: Sum_{n=-oo...+oo} (x^n + y)^n = exp( (1-y) * A(x,y) ) / (1-y), where A(x,y) = Sum_{n>=1} x^n/n * Sum{k=0..n-1} T(n,k)*y^k, written here as a flattened triangle of coefficients T(n,k) read by rows.at n=13A321600
• a(n) = Sum_{k=1..n} mu(k)*k^2.at n=41A336276
• Partial alternating sums of Pillai's arithmetical function (A018804).at n=39A370895
• a(n) = 2*sigma(n) - sigma(A003961(n)), where A003961 is fully multiplicative with a(prime(i)) = prime(i+1).at n=47A378752