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A101920 as a simple table

na(n)
12
25
31
413
58
61
734
842
913
101
1189
12183
13102
1419
151
16233
17717
18624
19205
2026
211
22610
232622
243275
251650
26366
2734
281
291597
309134
3115473
3211020
333716
34602
3543
361
374181
3830691
3967684
4064553
4130520
427483
43932
4453
451
4610946
47100284
48279106
49342867
50215481

[2,5,1,13,8,1,34,42,13,1,89,183,102,19,1,233,717,
 624,205,26,1,610,2622,3275,1650,366,34,1,1597,
 9134,15473,11020,3716,602,43,1,4181,30691,67684,
 64553,30520,7483,932,53,1,10946,100284,279106,
 342867,215481]