Number of walks of length n on the upper-right part of the hexagonal lattice.
A057647
Number of walks of length n on the upper-right part of the hexagonal lattice.
Terms
- a(0) =1a(1) =2a(2) =9a(3) =38a(4) =185a(5) =914a(6) =4706a(7) =24632a(8) =131309a(9) =708284a(10) =3861380a(11) =21225588a(12) =117511456a(13) =654474352a(14) =3664017964a(15) =20604973852a(16) =116332926949a(17) =659097637368
External references
- oeis: A057647