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A109352 as a simple table

na(n)
15
27
39
48
510
613
715
810
914
1019
1112
1221
1316
1412
1525
1620
1716
1822
1931
2033
2118
2216
2326
2414
2539
2618
2718
2843
2922
3045
3132
3220
3334
3449
3524
3622
3715
3855
3918
4040
4124
4228
4361
4424
4563
4644
4746
4820
4926
5069
5128
5250
5373
5424
5534
5675
5720
5836
5981
6056
6130
6219
6385
6424
6534
6662
6791
6822
6964
7042
7136

[5,7,9,8,10,13,15,10,14,19,12,21,16,12,25,20,16,
 22,31,33,18,16,26,14,39,18,18,43,22,45,32,20,34,
 49,24,22,15,55,18,40,24,28,61,24,63,44,46,20,26,
 69,28,50,73,24,34,75,20,36,81,56,30,19,85,24,34,
 62,91,22,64,42,36]