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A157340 as a simple table

n a(n)
0 1
1 -19
2 -120
3 20539
4 115320
5 -17546899
6 -292680360
7 251229440603
8 1395508811640
9 -385340094119389
10 -10701217700586600
11 7223764679262533089
12 120364704365527371960
13 -48012518866542868370479
14 -1866664733981567587769640
15 6873216565459397834681930731

[1,-19,-120,20539,115320,-17546899,-292680360,
 251229440603,1395508811640,-385340094119389,
 -10701217700586600,7223764679262533089,
 120364704365527371960,-48012518866542868370479,
 -1866664733981567587769640,
 6873216565459397834681930731]

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Last modified October 5 21:37 EDT 2022. Contains 357261 sequences. (Running on oeis4.)