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A022627 as a simple table

na(n)
01
1-32
2496
3-4992
436984
5-217280
61066432
7-4548352
817369116
9-60711456
10197327712
11-603261056
121749861312
13-4849210560
1412909347456
15-33162318080
1682507571334
17-199432268416
18469559849680
19-1079335967872

[1,-32,496,-4992,36984,-217280,1066432,-4548352,
 17369116,-60711456,197327712,-603261056,
 1749861312,-4849210560,12909347456,-33162318080,
 82507571334,-199432268416,469559849680,
 -1079335967872]