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A015876 as a simple table

na(n)
115
269
387
4102
5132
6175
7230
8638
9689
101127
111349
121392
132006
145170
156680
168366
178390
1811652
1911918
2012128
2116748
2219511
2319829
2423318
2524597
2624734
2725122
2827162
2928676
3030730
3132864
3237391
3337436
3437901
3541082
3645925
3747487

[15,69,87,102,132,175,230,638,689,1127,1349,1392,
 2006,5170,6680,8366,8390,11652,11918,12128,16748,
 19511,19829,23318,24597,24734,25122,27162,28676,
 30730,32864,37391,37436,37901,41082,45925,47487]