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A053567 as a simple table

na(n)
1-120
21764
3-13132
467284
5-269325
6902055
7-2637558
86926634
9-16669653
1037312275
11-78558480
12156952432
13-299650806
14549789282
15-973941900
161672280820
17-2792167686
184546047198
19-7234669596
2011276842500
21-17247104875
2225922927745
23-38343278610
2455880640270

[-120,1764,-13132,67284,-269325,902055,-2637558,
 6926634,-16669653,37312275,-78558480,156952432,
 -299650806,549789282,-973941900,1672280820,
 -2792167686,4546047198,-7234669596,11276842500,
 -17247104875,25922927745,-38343278610,55880640270]