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A265385 as a simple table

na(n)
11
21
33
46
513
626
752
8105
9211
10418
11847
121673
133380
146755
1513404
1627104
1753538
18108163
19216183
20428935
21867329
221713228
233461227
246917868
2513725948
2627754524
2754823316
28110759272
29221371778
30439230367
31888144817
321754346232
333544296957
347083888783

[1,1,3,6,13,26,52,105,211,418,847,1673,3380,6755,
 13404,27104,53538,108163,216183,428935,867329,
 1713228,3461227,6917868,13725948,27754524,
 54823316,110759272,221371778,439230367,888144817,
 1754346232,3544296957,7083888783]