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A260295 as a simple table

na(n)
01
12
22
34
45
56
67
76
89
98
1011
1114
1210
1314
1415
1516
1614
1714
1819
1920
2021
2122
2221
2320
2428
2526
2624
2722
2829
2930
3026
3132
3226
3338
3435
3536
3637
3728
3839
3940
4041
4142
4234
4340
4443
4542
4647
4742
4849
4950
5056
5144
5242
5354
5455
5562
5657
5746
5850
5960
6056
6162
6250
6370
6460
6556
6674
6754

[1,2,2,4,5,6,7,6,9,8,11,14,10,14,15,16,14,14,19,
 20,21,22,21,20,28,26,24,22,29,30,26,32,26,38,35,
 36,37,28,39,40,41,42,34,40,43,42,47,42,49,50,56,
 44,42,54,55,62,57,46,50,60,56,62,50,70,60,56,74,
 54]