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A196276 as a simple table

na(n)
15
27
311
413
515
618
721
823
924
1029
1130
1231
1332
1433
1536
1638
1739
1840
1942
2044
2147
2249
2351
2452
2553
2656
2757
2858
2959
3061
3162
3263
3364
3468
3570
3671
3772
3874
3976
4078
4180
4283
4384
4485
4587
4688
4789
4890
4991
5095
5196
5297
5398
5499
55101
56103
57104
58105
59108
60110
61111
62113
63115

[5,7,11,13,15,18,21,23,24,29,30,31,32,33,36,38,39,
 40,42,44,47,49,51,52,53,56,57,58,59,61,62,63,64,
 68,70,71,72,74,76,78,80,83,84,85,87,88,89,90,91,
 95,96,97,98,99,101,103,104,105,108,110,111,113,
 115]