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A266792 as a simple table

na(n)
01
12
22
35
44
57
65
711
85
915
105
1119
125
1323
145
1527
165
1731
185
1935
205
2139
225
2343
245
2547
265
2751
285
2955
305
3159
325
3363
345
3567
365
3771
385
3975
405
4179
425
4383
445
4587
465
4791
485
4995
505
5199
525
53103
545
55107
565
57111
585
59115
605
61119
625
63123
645
65127
665
67131
685
69135
705
71139

[1,2,2,5,4,7,5,11,5,15,5,19,5,23,5,27,5,31,5,35,5,
 39,5,43,5,47,5,51,5,55,5,59,5,63,5,67,5,71,5,75,5,
 79,5,83,5,87,5,91,5,95,5,99,5,103,5,107,5,111,5,
 115,5,119,5,123,5,127,5,131,5,135,5,139]