login

A084943 as a simple table

na(n)
01
11
210
3270
414040
51193400
6150368400
726314470000
86104957040000
91813172240880000
10670873729125600000
11302564051835645600000
12163384587991248624000000
13104075982550425373488000000

[1,1,10,270,14040,1193400,150368400,26314470000,
 6104957040000,1813172240880000,670873729125600000,
 302564051835645600000,163384587991248624000000,
 104075982550425373488000000]