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A331527 as a simple table

na(n)
11
22
33
44
54
66
78
86
97
1010
112
128
1316
1417
1511
1620
1720
1820
1912
2022
2122
227
2318
2424
2524
264
2714
2823
2928
304
318
3229
3316
3430
3529
3630
3731
385
397
409
4119
4230
4333
4426
4523
4634
4734
486
4935
5036
5135
5237
535
547
5513
5631
5738
5838
5929
6040
6137
6241
633
649
6542
6639
6742
6841
698
7043
7146

[1,2,3,4,4,6,8,6,7,10,2,8,16,17,11,20,20,20,12,22,
 22,7,18,24,24,4,14,23,28,4,8,29,16,30,29,30,31,5,
 7,9,19,30,33,26,23,34,34,6,35,36,35,37,5,7,13,31,
 38,38,29,40,37,41,3,9,42,39,42,41,8,43,46]