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A255690 as a simple table

na(n)
00
11
22
33
44
51
66
711
816
921
102
117
1212
1317
1422
153
168
1713
1818
1923
204
219
2214
2319
2424
251
266
2711
2816
2921
3026
3131
3236
3341
3446
3551
3656
3761
3866
3971
4076
4181
4286
4391
4496
45101
46106
47111
48116
49121
502
517
5212
5317
5422
5527
5632
5737
5842
5947
6052
6157
6262
6367
6472
6577
6682
6787
6892

[0,1,2,3,4,1,6,11,16,21,2,7,12,17,22,3,8,13,18,23,
 4,9,14,19,24,1,6,11,16,21,26,31,36,41,46,51,56,61,
 66,71,76,81,86,91,96,101,106,111,116,121,2,7,12,
 17,22,27,32,37,42,47,52,57,62,67,72,77,82,87,92]