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A107825 as a simple table

na(n)
15
26
32
49
51
610
78
87
94
1012
1111
1213
1314
1415
1519
1618
1720
1821
1916
203
2117
2222
2324
2423
2527
2626
2728
2825
2929
3030
3131
3232
3333
3434
3535
3636
3737
3838
3939
4040
4141
4242
4343
4444
4545
4646
4747
4848
4949
5050
5151
5252
5353
5454
5555
5656
5757
5858
5959
6060
6161

[5,6,2,9,1,10,8,7,4,12,11,13,14,15,19,18,20,21,16,
 3,17,22,24,23,27,26,28,25,29,30,31,32,33,34,35,36,
 37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,
 53,54,55,56,57,58,59,60,61]