The second row of generalized Knuth's old sum.
A371017
The second row of generalized Knuth's old sum.
Terms
- a(0) =20a(1) =520a(2) =5880a(3) =48720a(4) =341880a(5) =2162160a(6) =12732720a(7) =71179680a(8) =382444920a(9) =1991669680a(10) =10113543440a(11) =50297301600a(12) =245807780400
External references
- oeis: A371017