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A103411 as a simple table

na(n)
11
24
36
46
57
69
79
811
911
1015
1112
1217
1315
1416
1520
1621
1723
1822
1922
2030
2123
2225
2328
2424
2526
2634
2732
2836
2936
3043
3135
3235
3336
3438
3538
3639
3744
3845
3942
4045
4150
4244
4348
4448
4549
4653
4749
4851
4953
5064
5158
5256
5357
5465
5562
5663
5765
5864
5964
6068
6165
6265
6370
6469
6569
6676
6776
6879
6975
7075
7180
7273

[1,4,6,6,7,9,9,11,11,15,12,17,15,16,20,21,23,22,
 22,30,23,25,28,24,26,34,32,36,36,43,35,35,36,38,
 38,39,44,45,42,45,50,44,48,48,49,53,49,51,53,64,
 58,56,57,65,62,63,65,64,64,68,65,65,70,69,69,76,
 76,79,75,75,80,73]