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A037915 as a simple table

na(n)
01
11
22
33
44
54
65
76
87
97
108
119
1210
1310
1411
1512
1613
1713
1814
1915
2016
2116
2217
2318
2419
2519
2620
2721
2822
2922
3023
3124
3225
3325
3426
3527
3628
3728
3829
3930
4031
4131
4232
4333
4434
4534
4635
4736
4837
4937
5038
5139
5240
5340
5441
5542
5643
5743
5844
5945
6046
6146
6247
6348
6449
6549
6650
6751
6852
6952
7053
7154
7255

[1,1,2,3,4,4,5,6,7,7,8,9,10,10,11,12,13,13,14,15,
 16,16,17,18,19,19,20,21,22,22,23,24,25,25,26,27,
 28,28,29,30,31,31,32,33,34,34,35,36,37,37,38,39,
 40,40,41,42,43,43,44,45,46,46,47,48,49,49,50,51,
 52,52,53,54,55]