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A089884 as a simple table

na(n)
11
22
33
44
56
67
76
810
910
1010
1118
1211
1314
1410
1520
1612
1712
1824
1915
2018
2124
2216
2320
2422
2515
2621
2719
2822
2921
3019
3129
3223
3328
3434
3523
3629
3722
3827
3923
4027
4130
4226
4325
4436
4528
4624
4730
4821
4928
5040
5125
5240
5324
5427
5524
5634
5729
5827
5928
6029
6146
6229
6338
6434
6537
6638
6731
6851
6939
7046
7137

[1,2,3,4,6,7,6,10,10,10,18,11,14,10,20,12,12,24,
 15,18,24,16,20,22,15,21,19,22,21,19,29,23,28,34,
 23,29,22,27,23,27,30,26,25,36,28,24,30,21,28,40,
 25,40,24,27,24,34,29,27,28,29,46,29,38,34,37,38,
 31,51,39,46,37]