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A374724 as a simple table

na(n)
01
12
23
34
41
51
62
71
84
93
102
112
123
134
141
152
163
173
184
193
202
211
224
234
241
252
263
274
281
291
301
312
323
334
341
351
362
371
384
393
402
412
421
432
443
454
461
471
484
493
502
511
524
534
543
554
561
572
583
593
602
611
624
633
642
652
662
671
684
693
702
712
723
734
741
752
763
773
784
793
802
811
824
834

[1,2,3,4,1,1,2,1,4,3,2,2,3,4,1,2,3,3,4,3,2,1,4,4,
 1,2,3,4,1,1,1,2,3,4,1,1,2,1,4,3,2,2,1,2,3,4,1,1,4,
 3,2,1,4,4,3,4,1,2,3,3,2,1,4,3,2,2,2,1,4,3,2,2,3,4,
 1,2,3,3,4,3,2,1,4,4]