Number of lattice paths from (0,0) to (n,n) using steps (0,1), (0,2), (1,0), (2,2).
A191684
Number of lattice paths from (0,0) to (n,n) using steps (0,1), (0,2), (1,0), (2,2).
Terms
- a(0) =1a(1) =2a(2) =10a(3) =46a(4) =233a(5) =1196a(6) =6274a(7) =33292a(8) =178378a(9) =962616a(10) =5224965a(11) =28494124a(12) =156000816a(13) =856903772a(14) =4720235840a(15) =26064910068a(16) =144236627991a(17) =799671246842
External references
- oeis: A191684