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A213143 as a simple table

n a(n)
0 1
1 -4
2 -12
3 188
4 2580
5 -28324
6 -1123212
7 4593788
8 791677140
9 4687508636
10 -789960600012
11 -16633684281412
12 997739785828500
13 46516458962719196
14 -1370408093916825612
15 -140930266128553137412

[1,-4,-12,188,2580,-28324,-1123212,4593788,
 791677140,4687508636,-789960600012,
 -16633684281412,997739785828500,46516458962719196,
 -1370408093916825612,-140930266128553137412]

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)