Number of lattice paths from (0,0) to (n,n) using steps (1,0),(3,0),(0,1).
A383479
Number of lattice paths from (0,0) to (n,n) using steps (1,0),(3,0),(0,1).
Terms
- a(0) =1a(1) =2a(2) =6a(3) =24a(4) =100a(5) =420a(6) =1792a(7) =7752a(8) =33858a(9) =148940a(10) =658944a(11) =2929056a(12) =13070876a(13) =58521344a(14) =262754040a(15) =1182619280a(16) =5334172518a(17) =24104916504a(18) =109111142376a(19) =494630028200
External references
- oeis: A383479