Number of lattice paths from (0,0) to (n,n) using steps (0,1), (1,0), (1,1), (1,2), (2,1).
A339565
Number of lattice paths from (0,0) to (n,n) using steps (0,1), (1,0), (1,1), (1,2), (2,1).
Terms
- a(0) =1a(1) =3a(2) =17a(3) =101a(4) =627a(5) =3999a(6) =25955a(7) =170571a(8) =1131433a(9) =7559301a(10) =50795985a(11) =342935689a(12) =2324278669a(13) =15804931797a(14) =107775401349a(15) =736723618773
External references
- oeis: A339565