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A004423 as a simple table

n a(n)
0 1
1 -44
2 1012
3 -16192
4 202356
5 -2102936
6 18896064
7 -150747520
8 1088265332
9 -7211641580
10 44356933544
11 -255472920256
12 1387689358528
13 -7151069205016
14 35134409940608
15 -165273439140480
16 747047401948276
17 -3254796172584792

[1,-44,1012,-16192,202356,-2102936,18896064,
 -150747520,1088265332,-7211641580,44356933544,
 -255472920256,1387689358528,-7151069205016,
 35134409940608,-165273439140480,747047401948276,
 -3254796172584792]

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Last modified August 3 00:25 EDT 2021. Contains 346429 sequences. (Running on oeis4.)