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A132730 as a simple table

na(n)
01
12
23
38
421
550
6111
7236
8489
9998
102019
114064
128157
1316346
1432727
1565492
16131025
17262094
18524235
191048520
202097093
214194242
228388543
2316777148
2433554361
2567108790
26134217651
27268435376
28536870829

[1,2,3,8,21,50,111,236,489,998,2019,4064,8157,
 16346,32727,65492,131025,262094,524235,1048520,
 2097093,4194242,8388543,16777148,33554361,
 67108790,134217651,268435376,536870829]