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A002342 as a simple table

na(n)
15
27
39
411
512
613
716
817
917
1019
1119
1222
1321
1423
1524
1626
1727
1829
1927
2028
2129
2232
2331
2431
2533
2632
2734
2833
2937
3037
3137
3239
3341
3439
3541
3643
3741
3841
3942
4043
4144
4246
4343
4444
4547
4649
4746
4847
4947
5049
5148
5249
5353
5451
5552
5653
5756
5857
5953
6053
6154
6259
6356
6457
6558
6659
6759
6857
6958
7061

[5,7,9,11,12,13,16,17,17,19,19,22,21,23,24,26,27,
 29,27,28,29,32,31,31,33,32,34,33,37,37,37,39,41,
 39,41,43,41,41,42,43,44,46,43,44,47,49,46,47,47,
 49,48,49,53,51,52,53,56,57,53,53,54,59,56,57,58,
 59,59,57,58,61]