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A181655 as a simple table

na(n)
01
12
24
37
414
522
644
767
8134
9202
10404
11607
121214
131822
143644
155467
1610934
1716402
1832804
1949207
2098414
21147622
22295244
23442867
24885734
251328602
262657204
273985807
287971614
2911957422
3023914844
3135872267
3271744534
33107616802
34215233604

[1,2,4,7,14,22,44,67,134,202,404,607,1214,1822,
 3644,5467,10934,16402,32804,49207,98414,147622,
 295244,442867,885734,1328602,2657204,3985807,
 7971614,11957422,23914844,35872267,71744534,
 107616802,215233604]