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A113869 as a simple table

n a(n)
0 1
1 -1
2 -1
3 -4
4 -23
5 -171
6 -1542
7 -16241
8 -194973
9 -2622610
10 -39027573
11 -636225591
12 -11272598680
13 -215668335091
14 -4431191311809
15 -97316894892644
16 -2275184746472827
17 -56421527472282127
18 -1479397224086870294
19 -40897073524132164189
20 -1188896226524012279617

[1,-1,-1,-4,-23,-171,-1542,-16241,-194973,
 -2622610,-39027573,-636225591,-11272598680,
 -215668335091,-4431191311809,-97316894892644,
 -2275184746472827,-56421527472282127,
 -1479397224086870294,-40897073524132164189,
 -1188896226524012279617]

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Last modified April 25 06:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)