Number of two-sided n-step prudent walks ending on the top side of their boxes, avoiding exactly two consecutive west steps and south steps.
A190735
Number of two-sided n-step prudent walks ending on the top side of their boxes, avoiding exactly two consecutive west steps and south steps.
Terms
- a(0) =1a(1) =3a(2) =6a(3) =16a(4) =38a(5) =93a(6) =93a(7) =223a(8) =540a(9) =1305a(10) =3157a(11) =7629a(12) =18436a(13) =44543a(14) =107607a(15) =259899a(16) =627606a(17) =1515284a(18) =3657904a(19) =8828836
External references
- oeis: A190735