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A337920 as a simple table

na(n)
15
29
311
413
517
620
721
823
925
1029
1132
1233
1335
1437
1538
1639
1741
1843
1944
2045
2147
2249
2350
2451
2553
2654
2755
2856
2957
3059
3161
3262
3364
3465
3567
3668
3769
3871
3973
4075
4177
4279
4381
4483
4584
4685
4786
4889
4990
5091
5192
5293
5394
5495
5597
5698
57101
58104
59105
60107
61109
62110
63111
64113

[5,9,11,13,17,20,21,23,25,29,32,33,35,37,38,39,41,
 43,44,45,47,49,50,51,53,54,55,56,57,59,61,62,64,
 65,67,68,69,71,73,75,77,79,81,83,84,85,86,89,90,
 91,92,93,94,95,97,98,101,104,105,107,109,110,111,
 113]