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A092200 as a simple table

na(n)
01
13
23
34
46
56
67
79
89
910
1012
1112
1213
1315
1415
1516
1618
1718
1819
1921
2021
2122
2224
2324
2425
2527
2627
2728
2830
2930
3031
3133
3233
3334
3436
3536
3637
3739
3839
3940
4042
4142
4243
4345
4445
4546
4648
4748
4849
4951
5051
5152
5254
5354
5455
5557
5657
5758
5860
5960
6061
6163
6263
6364
6466
6566
6667
6769
6869
6970
7072
7172

[1,3,3,4,6,6,7,9,9,10,12,12,13,15,15,16,18,18,19,
 21,21,22,24,24,25,27,27,28,30,30,31,33,33,34,36,
 36,37,39,39,40,42,42,43,45,45,46,48,48,49,51,51,
 52,54,54,55,57,57,58,60,60,61,63,63,64,66,66,67,
 69,69,70,72,72]