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A133108 as a simple table

na(n)
11
22
33
44
51
65
76
82
97
108
119
1210
133
1411
1512
164
1713
1814
191
2015
2116
225
2317
2418
256
2619
2720
282
2921
3022
317
3223
3324
348
3525
3626
3727
3828
399
4029
4130
4210
4331
4432
453
4633
4734
4811
4935
5036
5112
5237
5338
544
5539
5640
5713
5841
5942
6014
6143
6244
631
6445
6546
6615
6747
6848
6916
7049
7150
725
7351
7452
7517
7653
7754
7818

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