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A277886 as a simple table

na(n)
11
22
33
43
55
66
77
86
95
1010
1111
129
1313
1414
1515
1612
1717
1810
1919
2015
2121
2222
2323
2418
257
2626
2715
2821
2929
3030
3131
3224
3333
3434
3535
3627
3737
3838
3939
4030
4141
4242
4343
4433
4525
4646
4747
4836
4911
5014
5151
5239
5353
5430
5555
5642
5757
5858
5959
6045
6161
6262
6335
6448
6565
6666
6767
6851
6969
7070
7171
7254
7373
7474
7521
7657
7777
7878
7979
8060
8145

[1,2,3,3,5,6,7,6,5,10,11,9,13,14,15,12,17,10,19,
 15,21,22,23,18,7,26,15,21,29,30,31,24,33,34,35,27,
 37,38,39,30,41,42,43,33,25,46,47,36,11,14,51,39,
 53,30,55,42,57,58,59,45,61,62,35,48,65,66,67,51,
 69,70,71,54,73,74,21,57,77,78,79,60,45]