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A258946 as a simple table

na(n)
12
23
34
45
56
67
78
811
914
1015
1118
1219
1322
1423
1524
1629
1732
1833
1934
2035
2138
2241
2344
2445
2546
2647
2748
2851
2952
3053
3154
3255
3358
3459
3560
3661
3762
3863
3966
4067
4170
4271
4374
4475
4576
4677
4778
4879
4983
5086
5187
5288
5389
5492
5595
5696
5797
5898
5999
60102
61103
62104
63105
64106
65107

[2,3,4,5,6,7,8,11,14,15,18,19,22,23,24,29,32,33,
 34,35,38,41,44,45,46,47,48,51,52,53,54,55,58,59,
 60,61,62,63,66,67,70,71,74,75,76,77,78,79,83,86,
 87,88,89,92,95,96,97,98,99,102,103,104,105,106,
 107]