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A257356 as a simple table

na(n)
13108
26724
317056
445796
5112236
6234256
7475608
81136356
92763008
105914624
1112499644
1229203216
1368721712
14150160516
15325035968
16747038224
171727481692
183815779984
198381071304
2019092054276
2143659093360
2297078357476
23215135035828

[3108,6724,17056,45796,112236,234256,475608,
 1136356,2763008,5914624,12499644,29203216,
 68721712,150160516,325035968,747038224,1727481692,
 3815779984,8381071304,19092054276,43659093360,
 97078357476,215135035828]