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A145391 as a simple table

na(n)
11
22
33
45
54
67
75
810
98
1010
117
1217
138
1413
1514
1619
1710
1821
1911
2024
2118
2219
2313
2435
2517
2622
2722
2831
2916
3038
3117
3236
3326
3428
3526
3650
3720
3831
3930
4050
4122
4250
4323
4445
4542
4637
4725
4869
4930
5048
5138
5252
5328
5462
5538
5665
5742
5846
5931
6090
6132
6249
6355
6469
6544
6674
6735
6866
6950
7074

[1,2,3,5,4,7,5,10,8,10,7,17,8,13,14,19,10,21,11,
 24,18,19,13,35,17,22,22,31,16,38,17,36,26,28,26,
 50,20,31,30,50,22,50,23,45,42,37,25,69,30,48,38,
 52,28,62,38,65,42,46,31,90,32,49,55,69,44,74,35,
 66,50,74]