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A028831 as a simple table

na(n)
01
13
27
311
422
543
683
7159
8307
9592
101141
112199
124239
138171
1415750
1530359
1658519
17112799
18217427
19419104
20807849
211557179
223001559
235785691
2411152278
2521496707
2641436235
2779870911
28153956131

[1,3,7,11,22,43,83,159,307,592,1141,2199,4239,
 8171,15750,30359,58519,112799,217427,419104,
 807849,1557179,3001559,5785691,11152278,21496707,
 41436235,79870911,153956131]