Number of n X n X n triangular 0..1 arrays with horizontal row sums nondecreasing from top to bottom.
A278295
Number of n X n X n triangular 0..1 arrays with horizontal row sums nondecreasing from top to bottom.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =44a(4) =507a(5) =10868a(6) =437908a(7) =33421356a(8) =4860115569
External references
- oeis: A278295