62110

Appears in sequences

• Number of (w,x,y,z) with all terms in {0,...,n} and (least gapsize)<=2.at n=17A212898
• On a spirally numbered square grid, with labels starting at 1, this is the number of steps that an (n,n+1) leaper makes before getting trapped, or -1 if it never gets trapped.at n=33A343178