Number of nXnXn triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= 10.
A166205
Number of nXnXn triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= 10.
Terms
- a(0) =1a(1) =11a(2) =4a(3) =14a(4) =274a(5) =1310a(6) =16010a(7) =875990a(8) =10795845a(9) =510043341a(10) =106992734072
External references
- oeis: A166205