Number of length 3 walks on an n-dimensional hypercubic lattice starting at the origin and staying in the nonnegative part.
A064043
Number of length 3 walks on an n-dimensional hypercubic lattice starting at the origin and staying in the nonnegative part.
Terms
- a(0) =0a(1) =3a(2) =18a(3) =51a(4) =108a(5) =195a(6) =318a(7) =483a(8) =696a(9) =963a(10) =1290a(11) =1683a(12) =2148a(13) =2691a(14) =3318a(15) =4035a(16) =4848a(17) =5763a(18) =6786a(19) =7923a(20) =9180a(21) =10563a(22) =12078a(23) =13731a(24) =15528a(25) =17475a(26) =19578a(27) =21843a(28) =24276a(29) =26883
External references
- oeis: A064043