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A001368 as a simple table

na(n)
04
13
22
33
47
54
62
75
83
94
104
117
126
137
1411
158
166
179
187
198
204
217
226
237
2411
258
266
279
287
298
306
319
328
339
3413
3510
368
3711
389
3910
408
4111
4210
4311
4415
4512
4610
4713
4811
4912
505
518
527
538
5412
559
567
5710
588
599
606
619
628
639
6413
6510
668
6711
689
6910
706
719
728
739
7413

[4,3,2,3,7,4,2,5,3,4,4,7,6,7,11,8,6,9,7,8,4,7,6,7,
 11,8,6,9,7,8,6,9,8,9,13,10,8,11,9,10,8,11,10,11,
 15,12,10,13,11,12,5,8,7,8,12,9,7,10,8,9,6,9,8,9,
 13,10,8,11,9,10,6,9,8,9,13]