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A250817 as a simple table

na(n)
14356
213735
332745
466291
5120304
6201741
7318585
8479845
9695556
10976779
111335601
121785135
132339520
143013921
153824529
164788561
175924260
187250895
198788761
2010559179
2112584496
2214888085
2317494345
2420428701
2523717604
2627388531
2731469985

[4356,13735,32745,66291,120304,201741,318585,
 479845,695556,976779,1335601,1785135,2339520,
 3013921,3824529,4788561,5924260,7250895,8788761,
 10559179,12584496,14888085,17494345,20428701,
 23717604,27388531,31469985]