Number of n X n X n 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,6,2,4,2,2,1 for x=0,1,2,3,4,5,6.
A197706
Number of n X n X n 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,6,2,4,2,2,1 for x=0,1,2,3,4,5,6.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =12a(4) =77a(5) =720a(6) =9259a(7) =193296a(8) =6058254a(9) =309777781a(10) =24621646669
External references
- oeis: A197706