login

A365606 as a simple table

na(n)
18
220
384
4500
53540
626996
7212052
81684724
913442772
10107437172
11859182420
126872514548
1354977282004
14439809752948
153518452514388
1628147543587572
17225180119118036
181801440264196724
1914411520047331156
20115292154179921396
21922337214843187668
227378697662956950900
2359029581136289955924

[8,20,84,500,3540,26996,212052,1684724,13442772,
 107437172,859182420,6872514548,54977282004,
 439809752948,3518452514388,28147543587572,
 225180119118036,1801440264196724,
 14411520047331156,115292154179921396,
 922337214843187668,7378697662956950900,
 59029581136289955924]