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A244734 as a simple table

na(n)
01
12
23
34
45
52
67
74
83
95
1011
116
1213
137
143
1516
1617
176
1819
194
207
2122
2223
238
2425
2526
269
274
2829
2915
3031
318
3233
3317
345
359
3637
3719
3813
3910
4041
417
4243
4311
445
4546
4647
4716
4849
4910
5017
5152
5253
536
5411
5556
5657
5758
5859
5912
6061
6162
6263
6364
6413
656
6667
6734
6823
6935
7071
7112
7273
7337
7425
7538
767
7713

[1,2,3,4,5,2,7,4,3,5,11,6,13,7,3,16,17,6,19,4,7,
 22,23,8,25,26,9,4,29,15,31,8,33,17,5,9,37,19,13,
 10,41,7,43,11,5,46,47,16,49,10,17,52,53,6,11,56,
 57,58,59,12,61,62,63,64,13,6,67,34,23,35,71,12,73,
 37,25,38,7,13]