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A292134 as a simple table

na(n)
01
1-1
22
3-21
4220
5-2705
640926
7-733537
815124216
9-352606050
109174382490
11-263533561852
128283376452948
13-282795708021411
1410420847619031710
15-412243715452039440
1617425722339237083120
17-783844576340696848341
1837384875796116662077194

[1,-1,2,-21,220,-2705,40926,-733537,15124216,
 -352606050,9174382490,-263533561852,8283376452948,
 -282795708021411,10420847619031710,
 -412243715452039440,17425722339237083120,
 -783844576340696848341,37384875796116662077194]