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A326621 as a simple table

na(n)
12
23
34
45
57
68
79
810
911
1013
1116
1217
1319
1420
1521
1622
1723
1825
1927
2029
2130
2231
2332
2434
2537
2639
2740
2841
2943
3044
3146
3247
3349
3450
3553
3655
3757
3859
3960
4061
4162
4263
4364
4467
4568
4671
4773
4878
4979
5080
5181
5282
5383
5485
5587
5688
5789
5890
5991
6092
6194
6297
63100
64101
65103
66105

[2,3,4,5,7,8,9,10,11,13,16,17,19,20,21,22,23,25,
 27,29,30,31,32,34,37,39,40,41,43,44,46,47,49,50,
 53,55,57,59,60,61,62,63,64,67,68,71,73,78,79,80,
 81,82,83,85,87,88,89,90,91,92,94,97,100,101,103,
 105]