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A308285 as a simple table

na(n)
01
1-144
28208
3-225216
42634192
51488672
6-209742912
7-503961984
88575185744
991347182640
10524570699232
112230073940672
127794083954880
1323627036677536
1464145226215808
15159373702203264
16368012313906768
17798872890993632
181644874069475664
193234829827767616

[1,-144,8208,-225216,2634192,1488672,-209742912,
 -503961984,8575185744,91347182640,524570699232,
 2230073940672,7794083954880,23627036677536,
 64145226215808,159373702203264,368012313906768,
 798872890993632,1644874069475664,3234829827767616]