292032
domain: N
Appears in sequences
- Theta series of direct sum of 4 copies of hexagonal lattice.at n=23A008655
- Numbers of the form (12^i)*(13^j), with i, j >= 0.at n=17A108771
- The fourth row of the ED1 array A167546.at n=34A167547
- Number of (w,x,y,z) with all terms in {1,...,n} and w<2x and y<=3z.at n=26A212509
- a(n) = n*((2*n + 1)*(2*n^2 + 2*n + 3) - 3*(-1)^n)/24.at n=36A325517
- a(n) is the least number k for which A330437(k) = n.at n=41A330704
- a(n) = sigma_1(n) * sigma_3(n).at n=22A379813