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A009198 as a simple table

n a(n)
0 1
1 1
2 -2
3 0
4 18
5 -85
6 155
7 1057
8 -13636
9 86361
10 -271783
11 -1518539
12 35743378
13 -376883351
14 2663534939
15 -8383983593
16 -117620643336
17 2907896789457
18 -39364767602331
19 389671721253889
20 -2504052803057234
21 -3842812946739679
22 465976686530941599

[1,1,-2,0,18,-85,155,1057,-13636,86361,-271783,
 -1518539,35743378,-376883351,2663534939,
 -8383983593,-117620643336,2907896789457,
 -39364767602331,389671721253889,-2504052803057234,
 -3842812946739679,465976686530941599]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)