Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 2,6,1,0,1,0,1 for x=0,1,2,3,4,5,6.
A197964
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 2,6,1,0,1,0,1 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =26a(4) =138a(5) =1523a(6) =26489a(7) =687930a(8) =27990897a(9) =1765820801a(10) =172024403235
External references
- oeis: A197964