94967domain: NAppears in sequencesa(n) = n^5 + 5*n + 5^n.at n=7A220511a(n) = n^7 + 7*n + 7^n.at n=5A220528On a spirally numbered square grid, with labels starting at 1, this is the number of the last cell that a (1,n) leaper reaches before getting trapped, or -1 if it never gets trapped.at n=32A323471