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A050392 as a simple table

n a(n)
1 1
2 -1
3 1
4 3
5 -39
6 257
7 -909
8 -6389
9 183715
10 -2326009
11 15050003
12 140089725
13 -6804608381
14 130909360315
15 -1286161585477
16 -12952744700713
17 970148927462835
18 -25588194678272039
19 347909302401071797

[1,-1,1,3,-39,257,-909,-6389,183715,-2326009,
 15050003,140089725,-6804608381,130909360315,
 -1286161585477,-12952744700713,970148927462835,
 -25588194678272039,347909302401071797]

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Last modified May 24 15:20 EDT 2024. Contains 372778 sequences. (Running on oeis4.)