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A119815 as a simple table

n a(n)
1 1
2 1
3 -1
4 1
5 1
6 -11
7 23
8 -20
9 731
10 -4860
11 -91205
12 138329
13 24813133
14 222203538
15 -11857627480
16 -340590475934
17 7798573417057
18 602467423292955
19 -4252676907049394
20 -1469602631093521547
21 -14928401886412967891
22 4982240895059491727005
23 167923794808862463264206

[1,1,-1,1,1,-11,23,-20,731,-4860,-91205,138329,
 24813133,222203538,-11857627480,-340590475934,
 7798573417057,602467423292955,-4252676907049394,
 -1469602631093521547,-14928401886412967891,
 4982240895059491727005,167923794808862463264206]

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Last modified June 4 05:52 EDT 2024. Contains 373089 sequences. (Running on oeis4.)