-143
domain: Z
Appears in sequences
- Expansion of Product_{k>=1} (1 - x^k)^11.at n=6A010819
- a(n) = -(1/2)*(n+2)*(n^2 - 6*n - 1).at n=9A028494
- Column 2 of Inverse partition triangle A038498.at n=57A039801
- Second differences of sigma(n).at n=46A053223
- McKay-Thompson series of class 46A for the Monster group.at n=53A058688
- a(n+1) = a(n) - a(floor(n/2)), with a(0)=0, a(1)=1.at n=38A062187
- Expansion of (1-x)^(-1)/(1-x+2*x^2).at n=18A077876
- Expansion of (1-x)^(-1)/(1-2*x^2+2*x^3).at n=11A077881
- Expansion of 1/(1-x-x^2+2*x^3).at n=39A077948
- 4th differences of partition numbers A000041.at n=59A081094
- First order recursion: a(0) = 1; a(n) = phi(n) - a(n-1) = A000010(n) - a(n-1).at n=40A083239
- a(n) = 1/2 + (1-6*n)*(-1)^n/2.at n=48A084060
- Coefficient triangle for computation of column numbers of triangle A071951 (Legendre-Stirling).at n=28A089278
- Numerators of terms in series expansion of sin(tan(x)).at n=4A096664
- Expansion of 1/(1 - x + x^4).at n=32A099530
- First column in inverse of Euler phi sequence matrix.at n=22A106479
- Expansion of g.f.: (1+3*x^2)/((1-x)*(1+x+2*x^2)*(1-x+2*x^2)).at n=18A107443
- Expansion of g.f.: (1+3*x^2)/((1-x)*(1+x+2*x^2)*(1-x+2*x^2)).at n=19A107443
- Diagonal sums of triangle A110324.at n=16A110326
- McKay-Thompson series of class 60a for the Monster group.at n=73A112200