Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 1,5,2,2,0,2,0 for x=0,1,2,3,4,5,6.
A198049
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 1,5,2,2,0,2,0 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =2a(2) =8a(3) =38a(4) =554a(5) =8027a(6) =260677a(7) =15253597a(8) =1429110202a(9) =256355182462
External references
- oeis: A198049