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A026855 as a simple table

na(n)
11
25
321
485
5342
61380
75598
822836
993640
10385734
111595232
126619374
1327545269
14114901685
15480282369
162011058681
178433331523
1835410037683
19148842787215
20626234799703
212636930617597
2211111302351505
2346848507630321
24197631791675365

[1,5,21,85,342,1380,5598,22836,93640,385734,
 1595232,6619374,27545269,114901685,480282369,
 2011058681,8433331523,35410037683,148842787215,
 626234799703,2636930617597,11111302351505,
 46848507630321,197631791675365]