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A159081 as a simple table

na(n)
11
22
33
42
54
63
75
82
93
104
116
123
137
145
154
162
178
183
199
204
215
226
2310
243
254
267
273
285
2911
304
3112
322
336
348
355
363
3713
389
397
404
4114
425
4315
446
454
4610
4716
483
495
504
518
527
5317
543
556
565
579
5811
5918
604
6119
6212
635
642
657
666
6720
688
6910
705
7121
723
7322
7413
754
769
776
787
7923
804
813
8214
8324
845
858
8615
8711
886
8925
904
917
9210
9312

[1,2,3,2,4,3,5,2,3,4,6,3,7,5,4,2,8,3,9,4,5,6,10,3,
 4,7,3,5,11,4,12,2,6,8,5,3,13,9,7,4,14,5,15,6,4,10,
 16,3,5,4,8,7,17,3,6,5,9,11,18,4,19,12,5,2,7,6,20,
 8,10,5,21,3,22,13,4,9,6,7,23,4,3,14,24,5,8,15,11,
 6,25,4,7,10,12]