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A257604 as a simple table

na(n)
15
26
37
410
512
613
714
815
918
1020
1121
1222
1323
1424
1525
1626
1728
1829
1930
2031
2134
2235
2336
2437
2538
2639
2740
2841
2942
3044
3145
3246
3347
3448
3549
3650
3752
3853
3954
4055
4156
4258
4360
4461
4562
4663
4765
4866
4968
5069
5170
5271
5372
5474
5575
5676
5777
5878
5979
6080
6182
6284
6385
6486
6587
6688
6790
6891
6992
7093
7194
7295
7396
7498
75100

[5,6,7,10,12,13,14,15,18,20,21,22,23,24,25,26,28,
 29,30,31,34,35,36,37,38,39,40,41,42,44,45,46,47,
 48,49,50,52,53,54,55,56,58,60,61,62,63,65,66,68,
 69,70,71,72,74,75,76,77,78,79,80,82,84,85,86,87,
 88,90,91,92,93,94,95,96,98,100]