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A039914 as a simple table

na(n)
15
25
319
441
5109
6155
7271
8341
9505
10811
11929
121331
131639
141805
152161
162755
173421
183659
194421
204969
215255
226161
236805
247831
259311
2610099
2710505
2811341
2911771
3012655
3116001
3217029
3318631
3419181
3522051
3622649
3724491
3826405
3927721
4029755
4131861

[5,5,19,41,109,155,271,341,505,811,929,1331,1639,
 1805,2161,2755,3421,3659,4421,4969,5255,6161,6805,
 7831,9311,10099,10505,11341,11771,12655,16001,
 17029,18631,19181,22051,22649,24491,26405,27721,
 29755,31861]