Number of n-step 4-dimensional nonnegative lattice walks starting at the origin and using steps that increment all components or decrement one component by 1.
A346225
Number of n-step 4-dimensional nonnegative lattice walks starting at the origin and using steps that increment all components or decrement one component by 1.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =21a(4) =81a(5) =325a(6) =1433a(7) =6473a(8) =28741a(9) =128457a(10) =585837a(11) =2711361a(12) =12591237a(13) =58423305a(14) =272649261a(15) =1281745485a(16) =6054729657a(17) =28656157453a(18) =135772544321a(19) =645415060421
External references
- oeis: A346225