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A261370 as a simple table

na(n)
00
11
22
33
44
55
66
77
88
99
1010
1111
1212
1321
1413
1531
1614
1741
1815
1951
2016
2161
2217
2371
2418
2581
2619
2791
2820
2922
3023
3132
3224
3342
3425
3552
3626
3762
3827
3972
4028
4182
4229
4392
4430
4533
4634
4743
4835
4953
5036
5163
5237
5373
5438
5583
5639
5793
5840
5944
6045
6154
6246
6364
6447
6574
6648
6784

[0,1,2,3,4,5,6,7,8,9,10,11,12,21,13,31,14,41,15,
 51,16,61,17,71,18,81,19,91,20,22,23,32,24,42,25,
 52,26,62,27,72,28,82,29,92,30,33,34,43,35,53,36,
 63,37,73,38,83,39,93,40,44,45,54,46,64,47,74,48,
 84]