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A331435 as a simple table

na(n)
11
22
31
46
55
64
710
811
910
1014
1115
121
1314
145
159
1620
1721
1824
1919
204
216
2226
2326
2412
2514
2629
2716
2831
2929
3022
3124
3231
3334
341
3526
365
3728
3835
3940
4019
4141
4239
4344
4438
4529
4645
4742
484
496
5035
5151
5216
5346
5420
5551
5654
5755
5856
5956
6030
6152
6254
6334
6436
6556
6658
6740
689
6911

[1,2,1,6,5,4,10,11,10,14,15,1,14,5,9,20,21,24,19,
 4,6,26,26,12,14,29,16,31,29,22,24,31,34,1,26,5,28,
 35,40,19,41,39,44,38,29,45,42,4,6,35,51,16,46,20,
 51,54,55,56,56,30,52,54,34,36,56,58,40,9,11]