Number of nXnXn triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= 7.
A166202
Number of nXnXn triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= 7.
Terms
- a(0) =1a(1) =8a(2) =3a(3) =8a(4) =99a(5) =364a(6) =2718a(7) =70603a(8) =526484a(9) =11908924a(10) =931368996a(11) =15702838676a(12) =958018305487
External references
- oeis: A166202