Fourth column (m=3) of unsigned triangle A111595.
A111777
Fourth column (m=3) of unsigned triangle A111595.
Terms
- a(0) =1a(1) =12a(2) =130a(3) =1380a(4) =15435a(5) =182280a(6) =2302020a(7) =30958200a(8) =444230325a(9) =6771510900a(10) =109568809350
External references
- oeis: A111777