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A013920 as a simple table

na(n)
14
26
38
49
512
614
715
816
918
1020
1121
1222
1325
1426
1528
1630
1733
1834
1935
2036
2138
2239
2340
2442
2544
2645
2746
2848
2949
3050
3155
3256
3357
3458
3560
3663
3764
3865
3969
4070
4172
4274
4377
4478
4580
4681
4782
4884
4985
5086
5190
5291
5392
5494
5595
5696
5798
58104
59105
60106
61108
62110
63111
64112
65114
66115
67116
68118
69119

[4,6,8,9,12,14,15,16,18,20,21,22,25,26,28,30,33,
 34,35,36,38,39,40,42,44,45,46,48,49,50,55,56,57,
 58,60,63,64,65,69,70,72,74,77,78,80,81,82,84,85,
 86,90,91,92,94,95,96,98,104,105,106,108,110,111,
 112,114,115,116,118,119]