Number of lattice paths from (0,0) to (n,n) using steps (0,1), (1,0), (1,1), (2,2).
A191649
Number of lattice paths from (0,0) to (n,n) using steps (0,1), (1,0), (1,1), (2,2).
Terms
- a(0) =1a(1) =3a(2) =14a(3) =71a(4) =379a(5) =2082a(6) =11651a(7) =66051a(8) =378064a(9) =2180037a(10) =12644861a(11) =73695358a(12) =431209313a(13) =2531556197a(14) =14904832196a(15) =87970766447a(16) =520337606401
External references
- oeis: A191649