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A168296 as a simple table

n a(n)
1 1
2 1
3 2
4 2
5 18
6 18
7 6
8 156
9 432
10 288
11 24
12 792
13 7416
14 13248
15 6624
16 120
17 -11280
18 64800
19 374400
20 496800
21 198720
22 720
23 -62640
24 -1254960
25 4968000
26 20865600
27 22057920
28 7352640
29 5040
30 24012000
31 -11854080
32 -125677440
33 389491200
34 1288103040

[1,1,2,2,18,18,6,156,432,288,24,792,7416,13248,
 6624,120,-11280,64800,374400,496800,198720,720,
 -62640,-1254960,4968000,20865600,22057920,7352640,
 5040,24012000,-11854080,-125677440,389491200,
 1288103040]

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Last modified April 24 19:52 EDT 2024. Contains 371963 sequences. (Running on oeis4.)