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A289340 as a simple table

na(n)
01
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]