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A352147 as a simple table

na(n)
01
1-2
28
3-51
4437
5-4685
660299
7-905583
815543989
9-300163717
106440430159
11-152007707357
123913861488767
13-109171084473763
143279401359094041
15-105546729767585411
163623462164916028569
17-132169615185372857001
185104616345453966073403

[1,-2,8,-51,437,-4685,60299,-905583,15543989,
 -300163717,6440430159,-152007707357,3913861488767,
 -109171084473763,3279401359094041,
 -105546729767585411,3623462164916028569,
 -132169615185372857001,5104616345453966073403]