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A301800 as a simple table

na(n)
01
11
21
35
45
511
621
729
853
986
10139
11211
12346
13524
14806
151264
161866
172838
184253
196306
209304
2113751
2220018
2329142
2442365
2560900
2687569
27125326
28178535
29253371
30358974
31505673
32710871
33996658
341391551
351938801
362693543
373730901
385154610
397106235
409767649

[1,1,1,5,5,11,21,29,53,86,139,211,346,524,806,
 1264,1866,2838,4253,6306,9304,13751,20018,29142,
 42365,60900,87569,125326,178535,253371,358974,
 505673,710871,996658,1391551,1938801,2693543,
 3730901,5154610,7106235,9767649]