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A254967 as a simple table

na(n)
01
12
23
32
44
57
60
72
82
99
100
110
122
134
1413
150
160
170
182
192
2015
212
222
232
242
254
266
2721
282
290
302
310
322
332
344
3525
362
370
380
392
402
410
422
436
4431
450
462
472
482
490
502
512
524
532
5433
550
560
572
580
592
602
610
622
632
644
6537
660
670
680
692
702
710
722
732
740
752
766
7743
782
792
802
812
820
832

[1,2,3,2,4,7,0,2,2,9,0,0,2,4,13,0,0,0,2,2,15,2,2,
 2,2,4,6,21,2,0,2,0,2,2,4,25,2,0,0,2,2,0,2,6,31,0,
 2,2,2,0,2,2,4,2,33,0,0,2,0,2,2,0,2,2,4,37,0,0,0,2,
 2,0,2,2,0,2,6,43,2,2,2,2,0,2]