309663
domain: N
Appears in sequences
- Odd n such that genus of modular curve X_0(N) is never equal to n.at n=24A054730
- Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,0,1,1,0,1,0 for x=0,1,2,3,4,5,6.at n=6A197752
- Number of pairwise coprime compositions of n, where a singleton is not considered coprime unless it is (1).at n=30A337462