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A009729 as a simple table

n a(n)
0 1
1 -1
2 -39
3 -1233
4 -50831
5 -2696321
6 -173033847
7 -12037460945
8 -631883857695
9 72323545938047
10 51175586766916153
11 20871009809650906031
12 8144386597628284974161
13 3320626270273875548979455

[1,-1,-39,-1233,-50831,-2696321,-173033847,
 -12037460945,-631883857695,72323545938047,
 51175586766916153,20871009809650906031,
 8144386597628284974161,3320626270273875548979455]

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Last modified March 26 14:51 EDT 2019. Contains 321497 sequences. (Running on oeis4.)