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A369608 as a simple table

na(n)
10
22
32
46
514
639
7125
8399
91310
104356
1114970
1251715
13178832
14635778
152290019
168106059
1729234378
18105635076
19384409483
201408730050
215193316109
2219170300330
2371421970661
24263893092145
25984568438169
263686368605467
2713838552783467
2852008816746450

[0,2,2,6,14,39,125,399,1310,4356,14970,51715,
 178832,635778,2290019,8106059,29234378,105635076,
 384409483,1408730050,5193316109,19170300330,
 71421970661,263893092145,984568438169,
 3686368605467,13838552783467,52008816746450]