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A004512 as a simple table

na(n)
023
121
222
326
424
525
620
718
819
95
103
114
128
136
147
152
160
171
1814
1912
2013
2117
2215
2316
2411
259
2610
2750
2848
2949
3053
3151
3252
3347
3445
3546
3632
3730
3831
3935
4033
4134
4229
4327
4428
4541
4639
4740
4844
4942
5043
5138
5236
5337
5477
5575
5676
5780

[23,21,22,26,24,25,20,18,19,5,3,4,8,6,7,2,0,1,14,
 12,13,17,15,16,11,9,10,50,48,49,53,51,52,47,45,46,
 32,30,31,35,33,34,29,27,28,41,39,40,44,42,43,38,
 36,37,77,75,76,80]