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A121966 as a simple table

n a(n)
0 1
1 2
2 1
3 -3
4 -6
5 6
6 36
7 0
8 -252
9 -252
10 2016
11 4536
12 -17640
13 -72072
14 157248
15 1166256
16 -1192464
17 -19852560
18 419328
19 357765408
20 349798176
21 -6805509984
22 -14151271680
23 135569947968
24 461049196608
25 -2792629554624
26 -14318859469824
27 58289508950400
28 444898714635648

[1,2,1,-3,-6,6,36,0,-252,-252,2016,4536,-17640,
 -72072,157248,1166256,-1192464,-19852560,419328,
 357765408,349798176,-6805509984,-14151271680,
 135569947968,461049196608,-2792629554624,
 -14318859469824,58289508950400,444898714635648]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)