76302
domain: N
Appears in sequences
- Expansion of Product_{k>=1} (1+x^k)^(2*k-1) / (1-x^k)^(2*k).at n=11A261384
- a(n) = 972*n^2 - 270*n (n>=1).at n=8A305071
- Number of compositions (ordered partitions) of n into centered hexagonal numbers (A003215).at n=52A322802
- Numbers k such that (k + k')' = k' + k'', where ' denotes the arithmetic derivative A003415.at n=17A376844