33919
domain: N
Appears in sequences
- Quadruples of different integers from [ 1,n ] with no global factor.at n=31A015622
- Row sums of triangle A091615.at n=12A091621
- Semiprimes n such that 3*n + 4 is a square.at n=31A112666
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, -1, 1), (-1, 1, 1), (1, -1, 1), (1, 1, 0)}.at n=9A149170
- Composite numbers k coprime to 13 such that k divides A006190(k-Kronecker(13,k)).at n=28A327653
- a(n) = (A230624(n)-2)/4.at n=56A350607