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A291219 as a simple table

na(n)
01
11
23
35
411
521
642
783
8163
9323
10635
111255
122473
134880
149625
1518985
1637451
1773869
18145715
19287421
20566954
211118331
222205947
234351307
248583091
2516930447
2633395857
2765874464
28129939569
29256310161
30505580371
31997274197
321967156763
333880282533
347653987242

[1,1,3,5,11,21,42,83,163,323,635,1255,2473,4880,
 9625,18985,37451,73869,145715,287421,566954,
 1118331,2205947,4351307,8583091,16930447,33395857,
 65874464,129939569,256310161,505580371,997274197,
 1967156763,3880282533,7653987242]