Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 6,6,0,2,0,0,1 for x=0,1,2,3,4,5,6.
A198057
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 6,6,0,2,0,0,1 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =4a(2) =15a(3) =75a(4) =879a(5) =15766a(6) =530019a(7) =30323508a(8) =2989066962a(9) =507557052083
External references
- oeis: A198057