login

A049214 as a simple table

na(n)
01
120
2784
352352
45360256
5782525952
6154594381824
739746508226560
812902483299368960
95162443736924160000
102496471943395999744000
111435556519572510605312000
12968234590214616380866560000

[1,20,784,52352,5360256,782525952,154594381824,
 39746508226560,12902483299368960,
 5162443736924160000,2496471943395999744000,
 1435556519572510605312000,
 968234590214616380866560000]