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A132145 as a simple table

na(n)
12
23
34
45
56
67
78
89
910
1011
1112
1213
1314
1415
1516
1617
1718
1819
1920
2021
2122
2223
2324
2425
2526
2627
2728
2829
2930
3031
3132
3233
3334
3436
3537
3638
3739
3840
3941
4042
4143
4244
4345
4446
4547
4648
4749
4850
4951
5052
5153
5254
5355
5456
5557
5658
5759
5860
5961
6062
6163
6264
6365
6466
6567
6668
6769
6870
6971
7072

[2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,
 21,22,23,24,25,26,27,28,29,30,31,32,33,34,36,37,
 38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,
 54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,
 70,71,72]