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A199749 as a simple table

n a(n)
0 1
1 0
2 -1
3 -1
4 1
5 61
6 -23
7 -391
8 149
9 8731
10 -50299
11 -422111
12 7453
13 1282822973
14 57034969
15 -20654287
16 -312999143
17 9991318331
18 1542439211
19 -22986862505597
20 -201806454439
21 -211506271693601
22 5229666198697
23 1077172798985427449
24 -61387659243913771
25 -6860376024090670391

[1,0,-1,-1,1,61,-23,-391,149,8731,-50299,-422111,
 7453,1282822973,57034969,-20654287,-312999143,
 9991318331,1542439211,-22986862505597,
 -201806454439,-211506271693601,5229666198697,
 1077172798985427449,-61387659243913771,
 -6860376024090670391]

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Last modified January 21 18:19 EST 2022. Contains 350479 sequences. (Running on oeis4.)