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A305785 as a simple table

na(n)
01
11
21
32
43
57
614
733
884
9204
10627
111558
125692
1314402
1460752
15155828
16747046
171937292
1810385051
1927176489
20161160411
21424958631
222760858706
237327447983
2451762453941
25138150105263
261054164297384
272827224795106
2823174732414244
2962420125297576
30546984814641114

[1,1,1,2,3,7,14,33,84,204,627,1558,5692,14402,
 60752,155828,747046,1937292,10385051,27176489,
 161160411,424958631,2760858706,7327447983,
 51762453941,138150105263,1054164297384,
 2827224795106,23174732414244,62420125297576,
 546984814641114]