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A170949 as a simple table

na(n)
11
23
32
44
58
66
75
87
99
1015
1113
1211
1310
1412
1514
1616
1724
1822
1920
2018
2117
2219
2321
2423
2525
2635
2733
2831
2929
3027
3126
3228
3330
3432
3534
3636
3748
3846
3944
4042
4140
4238
4337
4439
4541
4643
4745
4847
4949
5063
5161
5259
5357
5455
5553
5651
5750
5852
5954
6056
6158
6260
6362
6464
6580
6678
6776
6874
6972

[1,3,2,4,8,6,5,7,9,15,13,11,10,12,14,16,24,22,20,
 18,17,19,21,23,25,35,33,31,29,27,26,28,30,32,34,
 36,48,46,44,42,40,38,37,39,41,43,45,47,49,63,61,
 59,57,55,53,51,50,52,54,56,58,60,62,64,80,78,76,
 74,72]