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A339296 as a simple table

na(n)
11
21
32
44
59
623
760
8170
9496
101505
114665
1214772
1347415
14154093
15505394
161671009
175561274
1818615687
1962624016
20211605003
21717823582
222443711716
238345934897
2428587110560
2598181058020
26338029066457
271166451261583
284033596172701
2913975467586797
3048509872173875

[1,1,2,4,9,23,60,170,496,1505,4665,14772,47415,
 154093,505394,1671009,5561274,18615687,62624016,
 211605003,717823582,2443711716,8345934897,
 28587110560,98181058020,338029066457,
 1166451261583,4033596172701,13975467586797,
 48509872173875]