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A024095 as a simple table

na(n)
01
17
2-64
3-1675
4-12288
5-45357
6-17792
71273609
814680064
9129434759
101063741824
118570447421
1268683644928
13549693065371
144397941097600
1535184201229457
16281474708275200
172251799403346575
1818014397897261952

[1,7,-64,-1675,-12288,-45357,-17792,1273609,
 14680064,129434759,1063741824,8570447421,
 68683644928,549693065371,4397941097600,
 35184201229457,281474708275200,2251799403346575,
 18014397897261952]