Number of two-sided n-step prudent walks ending on the top side or right side of their box, avoiding more than two consecutive west steps and more than two consecutive south steps.
A178037
Number of two-sided n-step prudent walks ending on the top side or right side of their box, avoiding more than two consecutive west steps and more than two consecutive south steps.
Terms
- a(0) =1a(1) =4a(2) =10a(3) =26a(4) =64a(5) =162a(6) =406a(7) =1018a(8) =2546a(9) =6362a(10) =15878a(11) =39592a(12) =98638a(13) =245562a(14) =610936a(15) =1519090a(16) =3775302a(17) =9378288
External references
- oeis: A178037