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A156738 as a simple table

na(n)
01
1-1
2-90
3541
440590
5-203401
6-44687970
71254112037
891570023630
9-826012235551
10-301454785512450
116647155741019671
121455478124167389870
13-18964441825936233901
14-9689129535589841904930
151165351776696760349312869
1685055712408455297951111310

[1,-1,-90,541,40590,-203401,-44687970,1254112037,
 91570023630,-826012235551,-301454785512450,
 6647155741019671,1455478124167389870,
 -18964441825936233901,-9689129535589841904930,
 1165351776696760349312869,
 85055712408455297951111310]