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A272908 as a simple table

na(n)
11
22
35
43
57
68
74
810
911
1016
116
1213
1314
1420
1523
169
1717
1818
1925
2028
2135
2212
2321
2422
2530
2633
2741
2846
2915
3026
3127
3236
3339
3448
3553
3662
3719
3831
3932
4042
4145
4255
4360
4470
4577
4624
4737
4838
4949
5052
5163
5268
5379
5486
5597
5629
5743
5844
5956
6059
6171
6276
6388
6495
65107
66116

[1,2,5,3,7,8,4,10,11,16,6,13,14,20,23,9,17,18,25,
 28,35,12,21,22,30,33,41,46,15,26,27,36,39,48,53,
 62,19,31,32,42,45,55,60,70,77,24,37,38,49,52,63,
 68,79,86,97,29,43,44,56,59,71,76,88,95,107,116]