118693domain: NAppears in sequencesStrong pseudoprimes to base 91.at n=24A020317a(n) = A061419(n) - A002379(n).at n=30A083198On a spirally numbered square grid, with labels starting at 0, this is the number of the final step that a (1,n) leaper makes before getting trapped, or -1 if it never gets trapped.at n=16A323470