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A134871 as a simple table

na(n)
11
22
33
45
55
68
77
810
910
1012
1111
1216
1313
1416
1517
1619
1717
1822
1919
2024
2123
2224
2323
2430
2526
2628
2729
2832
2929
3036
3131
3236
3335
3436
3537
3643
3737
3840
3941
4046
4141
4248
4343
4448
4549
4648
4747
4856
4950
5054
5153
5256
5353
5460
5557
5662
5759
5860
5959
6070
6161
6264
6367
6469
6567
6672
6767

[1,2,3,5,5,8,7,10,10,12,11,16,13,16,17,19,17,22,
 19,24,23,24,23,30,26,28,29,32,29,36,31,36,35,36,
 37,43,37,40,41,46,41,48,43,48,49,48,47,56,50,54,
 53,56,53,60,57,62,59,60,59,70,61,64,67,69,67,72,
 67]