Third column (m=2) of unsigned triangle A111595.
A111602
Third column (m=2) of unsigned triangle A111595.
Terms
- a(0) =1a(1) =6a(2) =42a(3) =300a(4) =2475a(5) =22050a(6) =220500a(7) =2381400a(8) =28279125a(9) =360186750a(10) =4970577150a(11) =73045872900
External references
- oeis: A111602