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A013023 as a simple table

n a(n)
0 1
1 0
2 4
3 -6
4 107
5 -490
6 7684
7 -65877
8 1090337
9 -13921668
10 257455734
11 -4331216175
12 90917175543
13 -1878247055958
14 44731827065384
15 -1087289104715205
16 29180344841087233
17 -811860199866466216

[1,0,4,-6,107,-490,7684,-65877,1090337,-13921668,
 257455734,-4331216175,90917175543,-1878247055958,
 44731827065384,-1087289104715205,
 29180344841087233,-811860199866466216]

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Last modified November 29 16:39 EST 2022. Contains 358431 sequences. (Running on oeis4.)