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A159919 as a simple table

na(n)
14
27
37
410
512
610
713
817
917
1013
1116
1222
1324
1422
1516
1619
1727
1831
1931
2027
2119
2222
2332
2438
2540
2638
2732
2822
2925
3037
3145
3249
3349
3445
3537
3625
3728
3842
3952
4058
4160
4258
4352
4442
4528
4631
4747
4859
4967
5071
5171
5267
5359
5447
5531
5634
5752
5866
5976
6082
6184
6282
6376
6466
6552
6634

[4,7,7,10,12,10,13,17,17,13,16,22,24,22,16,19,27,
 31,31,27,19,22,32,38,40,38,32,22,25,37,45,49,49,
 45,37,25,28,42,52,58,60,58,52,42,28,31,47,59,67,
 71,71,67,59,47,31,34,52,66,76,82,84,82,76,66,52,
 34]