login

A129333 as a simple table

na(n)
00
10
20
31
416
5200
62320
726460
8303968
93557904
1042676320
11526076100
126673368240
1387148818328
141171554274800
1516206294360620
16230561544221120
173371256518888480
1850628767109223872
19780358333403627796

[0,0,0,1,16,200,2320,26460,303968,3557904,
 42676320,526076100,6673368240,87148818328,
 1171554274800,16206294360620,230561544221120,
 3371256518888480,50628767109223872,
 780358333403627796]