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A261694 as a simple table

na(n)
00
11
21
32
43
55
68
713
80
913
1013
115
1218
132
1420
151
160
171
181
192
203
215
228
2313
240
2513
2613
275
2818
292
3020
311
320
331
341
352
363
375
388
3913
400
4113
4213
435
4418
452
4620
471
480
491
501
512
523
535
548
5513
560
5713
5813
595
6018
612
6220
631
640
651
661
672
683
695
708
7113
720
7313
7413
755
7618
772
7820
791
800
811
821
832
843
855
868
8713
880
8913

[0,1,1,2,3,5,8,13,0,13,13,5,18,2,20,1,0,1,1,2,3,5,
 8,13,0,13,13,5,18,2,20,1,0,1,1,2,3,5,8,13,0,13,13,
 5,18,2,20,1,0,1,1,2,3,5,8,13,0,13,13,5,18,2,20,1,
 0,1,1,2,3,5,8,13,0,13,13,5,18,2,20,1,0,1,1,2,3,5,
 8,13,0,13]