Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,0,2,0,2,2,1 for x=0,1,2,3,4,5,6.
A198026
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 5,0,2,0,2,2,1 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =5a(2) =23a(3) =181a(4) =2658a(5) =73719a(6) =3475863a(7) =310712097a(8) =52428144959
External references
- oeis: A198026