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A255588 as a simple table

na(n)
00
11
22
31
44
57
62
75
88
93
1012
1121
124
1313
1422
155
1614
1723
186
1915
2024
217
2216
2325
248
2517
2626
279
2836
2963
3010
3137
3264
3311
3438
3565
3612
3739
3866
3913
4040
4167
4214
4341
4468
4515
4642
4769
4816
4943
5070
5117
5244
5371
5418
5545
5672
5719
5846
5973
6020
6147
6274
6321
6448
6575
6622
6749
6876
6923

[0,1,2,1,4,7,2,5,8,3,12,21,4,13,22,5,14,23,6,15,
 24,7,16,25,8,17,26,9,36,63,10,37,64,11,38,65,12,
 39,66,13,40,67,14,41,68,15,42,69,16,43,70,17,44,
 71,18,45,72,19,46,73,20,47,74,21,48,75,22,49,76,
 23]