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A083447 as a simple table

na(n)
21
31
42
52
63
73
84
94
100
115
127
139
1410
1511
1612
1713
1814
1915
201
217
2211
2313
2415
2516
2618
2719
2820
2922
302
319
3213
3316
3418
3521
3622
3724
3826
3927
403
4110
4215
4318
4422
4524
4626
4728
4830
4932
504
5111
5216
5321
5424
5527
5630
5732
5834
5936
605
6112
6218
6322
6426
6530
6633
6735
6837
6940
706
7113
7219
7324
7428
7532
7635
7738
7841

[1,1,2,2,3,3,4,4,0,5,7,9,10,11,12,13,14,15,1,7,11,
 13,15,16,18,19,20,22,2,9,13,16,18,21,22,24,26,27,
 3,10,15,18,22,24,26,28,30,32,4,11,16,21,24,27,30,
 32,34,36,5,12,18,22,26,30,33,35,37,40,6,13,19,24,
 28,32,35,38,41]