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A199403 as a simple table

na(n)
11
20
33
46
513
624
751
8102
9205
10408
11819
121638
133277
146552
1513107
1626214
1752429
18104856
19209715
20419430
21838861
221677720
233355443
246710886
2513421773
2626843544
2753687091
28107374182
29214748365
30429496728
31858993459
321717986918
333435973837
346871947672
3513743895347

[1,0,3,6,13,24,51,102,205,408,819,1638,3277,6552,
 13107,26214,52429,104856,209715,419430,838861,
 1677720,3355443,6710886,13421773,26843544,
 53687091,107374182,214748365,429496728,858993459,
 1717986918,3435973837,6871947672,13743895347]