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A188215 as a simple table

na(n)
00
11
22
33
43
54
66
77
84
95
107
118
1211
1312
1414
1515
165
176
188
199
2012
2113
2215
2316
2420
2521
2623
2724
2827
2928
3030
3131
326
337
349
3510
3613
3714
3816
3917
4021
4122
4224
4325
4428
4529
4631
4732
4837
4938
5040
5141
5244
5345
5447
5548
5652
5753
5855

[0,1,2,3,3,4,6,7,4,5,7,8,11,12,14,15,5,6,8,9,12,
 13,15,16,20,21,23,24,27,28,30,31,6,7,9,10,13,14,
 16,17,21,22,24,25,28,29,31,32,37,38,40,41,44,45,
 47,48,52,53,55]