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A246444 as a simple table

na(n)
12
23
34
48
59
610
715
816
917
1021
1122
1223
1327
1428
1529
1633
1734
1835
1936
2040
2141
2242
2346
2447
2548
2652
2753
2854
2959
3060
3161
3265
3366
3467
3571
3672
3773
3877
3978
4079
4180
4284
4385
4486
4590
4691
4792
4896
4997
5098
51103
52104
53105
54109
55110
56111
57115
58116
59117
60121
61122
62123
63124

[2,3,4,8,9,10,15,16,17,21,22,23,27,28,29,33,34,35,
 36,40,41,42,46,47,48,52,53,54,59,60,61,65,66,67,
 71,72,73,77,78,79,80,84,85,86,90,91,92,96,97,98,
 103,104,105,109,110,111,115,116,117,121,122,123,
 124]