30575
domain: N
Appears in sequences
- Integers k > 10577 such that the 'Reverse and Add!' trajectory of k joins the trajectory of 10577.at n=15A063434
- a(n) = the least positive k such that (n+k)+1 and (n*k)+1 are both squares; or 0 if no such k exists.at n=48A093482
- Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1100-0101-0111 pattern in any orientation.at n=10A147208
- a(n) = 49*n^2 - 2*n.at n=24A157362