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A001490 as a simple table

n a(n)
1 1
2 -12
3 66
4 -220
5 483
6 -660
7 252
8 1320
9 -4059
10 6644
11 -6336
12 240
13 12255
14 -27192
15 35850
16 -27972
17 -2343
18 50568
19 -99286
20 122496
21 -96162
22 11584
23 115116
24 -242616
25 315216
26 -283800
27 128304
28 126280
29 -409398
30 622644
31 -671550
32 501468
33 -122508
34 -382360

[1,-12,66,-220,483,-660,252,1320,-4059,6644,-6336,
 240,12255,-27192,35850,-27972,-2343,50568,-99286,
 122496,-96162,11584,115116,-242616,315216,-283800,
 128304,126280,-409398,622644,-671550,501468,
 -122508,-382360]

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Last modified March 28 16:34 EDT 2024. Contains 371254 sequences. (Running on oeis4.)