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A051380 as a simple table

n a(n)
0 1
1 -9
2 1
3 90
4 -19
5 1
6 -990
7 299
8 -30
9 1
10 11880
11 -4578
12 659
13 -42
14 1
15 -154440
16 71394
17 -13145
18 1205
19 -55
20 1
21 2162160
22 -1153956
23 255424
24 -30015
25 1975
26 -69
27 1
28 -32432400
29 19471500
30 -4985316
31 705649
32 -59640
33 3010
34 -84
35 1
36 518918400
37 -343976400
38 99236556
39 -16275700
40 1659889
41 -107800
42 4354
43 -100
44 1

[1,-9,1,90,-19,1,-990,299,-30,1,11880,-4578,659,
 -42,1,-154440,71394,-13145,1205,-55,1,2162160,
 -1153956,255424,-30015,1975,-69,1,-32432400,
 19471500,-4985316,705649,-59640,3010,-84,1,
 518918400,-343976400,99236556,-16275700,1659889,
 -107800,4354,-100,1]

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)