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A266664 as a simple table

na(n)
00
11
23
32
47
52
611
72
815
92
1019
112
1223
132
1427
152
1631
172
1835
192
2039
212
2243
232
2447
252
2651
272
2855
292
3059
312
3263
332
3467
352
3671
372
3875
392
4079
412
4283
432
4487
452
4691
472
4895
492
5099
512
52103
532
54107
552
56111
572
58115
592
60119
612
62123
632
64127
652
66131
672
68135
692
70139
712

[0,1,3,2,7,2,11,2,15,2,19,2,23,2,27,2,31,2,35,2,
 39,2,43,2,47,2,51,2,55,2,59,2,63,2,67,2,71,2,75,2,
 79,2,83,2,87,2,91,2,95,2,99,2,103,2,107,2,111,2,
 115,2,119,2,123,2,127,2,131,2,135,2,139,2]