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A013510 as a simple table

na(n)
02
12
265762
3-418934878
414989881142082
5-1159565898643479358
6201365713271464069504802
7-65359378924390295271709921438
836977332162396361445823162953505922
9-33930775864190349375460255092763386069118
1047994298632572575541623806754970220542333977442

[2,2,65762,-418934878,14989881142082,
 -1159565898643479358,201365713271464069504802,
 -65359378924390295271709921438,
 36977332162396361445823162953505922,
 -33930775864190349375460255092763386069118,
 47994298632572575541623806754970220542333977442]