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A003004 as a simple table

na(n)
11
22
33
44
54
65
76
87
98
108
119
1210
1311
1412
1512
1613
1714
1815
1916
2016
2116
2216
2316
2417
2518
2618
2719
2820
2921
3021
3122
3222
3323
3424
3524
3625
3726
3827
3928
4028
4129
4230
4331
4432
4532
4632
4732
4832
4933
5033
5134
5235
5335
5436
5536
5637
5738
5839
5940
6040
6141
6242
6343
6444
6544
6645
6746
6847
6948
7048

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