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A248098 as a simple table

na(n)
11
21
31
44
57
613
725
846
985
10157
11289
12532
13979
141801
153313
166094
1711209
1820617
1937921
2069748
21128287
22235957
23433993
24798238
251468189
262700421
274966849
289135460
2916802731
3030905041
3156843233
32104551006
33192299281
34353693521

[1,1,1,4,7,13,25,46,85,157,289,532,979,1801,3313,
 6094,11209,20617,37921,69748,128287,235957,433993,
 798238,1468189,2700421,4966849,9135460,16802731,
 30905041,56843233,104551006,192299281,353693521]