Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,3,2,2,0,2,0 for x=0,1,2,3,4,5,6.
A207157
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,3,2,2,0,2,0 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =2a(2) =8a(3) =38a(4) =488a(5) =7274a(6) =207870a(7) =10264080a(8) =821786528a(9) =114065335365
External references
- oeis: A207157