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A255250 as a simple table

na(n)
01
12
23
31
44
52
61
75
83
92
106
114
123
132
147
155
164
173
181
198
206
215
224
232
249
257
266
275
283
292
3010
318
327
336
345
353
361
3711
389
398
407
416
424
433
441
4512
4610
479
488
497
505
514
522
5313
5411
5510
569
578
586
595
603
611
6214
6312
6411
6510
669
678
686
694
703
711
7215
7313
7412
7511
7610
779
787
796
804
812
8216
8314
8413
8512
8611
8710
888
897
905
914
922

[1,2,3,1,4,2,1,5,3,2,6,4,3,2,7,5,4,3,1,8,6,5,4,2,
 9,7,6,5,3,2,10,8,7,6,5,3,1,11,9,8,7,6,4,3,1,12,10,
 9,8,7,5,4,2,13,11,10,9,8,6,5,3,1,14,12,11,10,9,8,
 6,4,3,1,15,13,12,11,10,9,7,6,4,2,16,14,13,12,11,
 10,8,7,5,4,2]