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A074858 as a simple table

na(n)
01
11
21
33
45
59
617
731
857
9159
10229
11463
121643
133028
145035
1511524
1624762
1741591
18108864
19177197
20305575
21951573
222048919
233575995
246000073
2518774470
2630770296
2753244772
2891462849
29213915324
30333122408
31641864151
321398505871
332844591355

[1,1,1,3,5,9,17,31,57,159,229,463,1643,3028,5035,
 11524,24762,41591,108864,177197,305575,951573,
 2048919,3575995,6000073,18774470,30770296,
 53244772,91462849,213915324,333122408,641864151,
 1398505871,2844591355]