Number of two-dimensional three-sided prudent 2n-step returns.
A151720
Number of two-dimensional three-sided prudent 2n-step returns.
Terms
- a(0) =0a(1) =24a(2) =240a(3) =2544a(4) =31800a(5) =435864a(6) =6323352a(7) =95647104a(8) =1493934516a(9) =23934001600a(10) =391427518152
External references
- oeis: A151720