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A159491 as a simple table

n a(n)
0 1
1 -7
2 37
3 -91
4 -2611
5 3185
6 427867
7 -474019
8 -61948651
9 123108713
10 44665750535
11 -49265523307
12 -889173917485681
13 28014998053601
14 1297189933409629
15 -21455729885490355
16 -96521711874559737227
17 21286177612465196249
18 168569517408863607549529

[1,-7,37,-91,-2611,3185,427867,-474019,-61948651,
 123108713,44665750535,-49265523307,
 -889173917485681,28014998053601,1297189933409629,
 -21455729885490355,-96521711874559737227,
 21286177612465196249,168569517408863607549529]

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Last modified December 1 22:31 EST 2022. Contains 358485 sequences. (Running on oeis4.)