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A002340 as a simple table

na(n)
15
24
38
47
56
611
78
89
914
1018
1113
1211
1317
1416
1512
1613
1714
1828
1919
2014
2118
2216
2327
2422
2531
2616
2717
2826
2919
3034
3124
3223
3322
3428
3537
3641
3727
3832
3921
4026
4122
4223
4331
4422
4544
4648
4723
4829
4939
5043
5124
5238
5351
5432
5526
5631
5728
5829
5936
6041
6127
6258
6328

[5,4,8,7,6,11,8,9,14,18,13,11,17,16,12,13,14,28,
 19,14,18,16,27,22,31,16,17,26,19,34,24,23,22,28,
 37,41,27,32,21,26,22,23,31,22,44,48,23,29,39,43,
 24,38,51,32,26,31,28,29,36,41,27,58,28]