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A064856 as a simple table

na(n)
01
11
23
312
459
5338
62185
715613
8121553
91020170
109154963
1187276995
12879242215
139319182044
14103537712361
151201967382478
1614540040004755
17182840037042560
182384985091689409
1932209645344213417
20449608555748234353
216476887237235672388
2296156363230696213447

[1,1,3,12,59,338,2185,15613,121553,1020170,
 9154963,87276995,879242215,9319182044,
 103537712361,1201967382478,14540040004755,
 182840037042560,2384985091689409,
 32209645344213417,449608555748234353,
 6476887237235672388,96156363230696213447]