A289340 - OEIS

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A289340 as a simple table

n	a(n)
0	1
1	-328
2	-41956
3	-8596032
4	-2597408634
5	-916285828640
6	-352170121921992
7	-143129703441671168
8	-60517599938503137519
9	-26355020095077489965264
10	-11743692598044815023990588
11	-5329748160859504303225598464

[1,-328,-41956,-8596032,-2597408634,-916285828640, -352170121921992,-143129703441671168, -60517599938503137519,-26355020095077489965264, -11743692598044815023990588, -5329748160859504303225598464]