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A266251 as a simple table

na(n)
00
13
23
35
45
56
69
76
813
96
1017
116
1221
136
1425
156
1629
176
1833
196
2037
216
2241
236
2445
256
2649
276
2853
296
3057
316
3261
336
3465
356
3669
376
3873
396
4077
416
4281
436
4485
456
4689
476
4893
496
5097
516
52101
536
54105
556
56109
576
58113
596
60117
616
62121
636
64125
656
66129
676
68133
696
70137
716

[0,3,3,5,5,6,9,6,13,6,17,6,21,6,25,6,29,6,33,6,37,
 6,41,6,45,6,49,6,53,6,57,6,61,6,65,6,69,6,73,6,77,
 6,81,6,85,6,89,6,93,6,97,6,101,6,105,6,109,6,113,
 6,117,6,121,6,125,6,129,6,133,6,137,6]