48996
domain: N
Appears in sequences
- Theta series of D_18 lattice.at n=2A022049
- Theta series of D*_18 lattice.at n=8A022071
- a(n)=a(n-1)+a(m), where m=2n-2-2^(p+1) and 2^p<n-1<=2^(p+1), for n >= 4.at n=36A050067
- a(n) = ceiling(a(n-1)*4/3), with a(1) = 1.at n=35A087192
- G.f.: Sum_{n>=0} A167137(n)^2 * log(1+x)^n/n! where Sum_{n>=0} A167137(n)*log(1+x)^n/n! = g.f. of the partition numbers (A000041).at n=5A167138
- Number of numbers whose base-4/3 expansion (see A024631) has n digits.at n=35A245356
- Coefficient of y^0 in G(x,y)^3 where G(x,y) = Sum_{n=-oo..+oo} (1-x^n)^n * x^n * y^n.at n=80A263188
- a(n) = (2/3)*n*(n^3 - 6*n^2 + 11*n - 3).at n=18A319575