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A163841 as a simple table

na(n)
01
13
22
311
48
56
645
734
826
920
10195
11150
12116
1390
1470
15873
16678
17528
18412
19322
20252
213989
223116
232438
241910
251498
261176
27924
2818483
2914494
3011378
318940
327030
335532
344356
353432
3686515
3768032
3853538

[1,3,2,11,8,6,45,34,26,20,195,150,116,90,70,873,
 678,528,412,322,252,3989,3116,2438,1910,1498,1176,
 924,18483,14494,11378,8940,7030,5532,4356,3432,
 86515,68032,53538]