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A321222 as a simple table

n a(n)
1 1
2 -3
3 -26
4 -15
5 -3124
6 45864
7 -823542
8 -255
9 -19682
10 9990233352
11 -285311670610
12 2176246800
13 -302875106592252
14 11111328602468784
15 437893859848932344
16 -65535
17 -827240261886336764176
18 101559568985784
19 -1978419655660313589123978
20 99999904632567310800

[1,-3,-26,-15,-3124,45864,-823542,-255,-19682,
 9990233352,-285311670610,2176246800,
 -302875106592252,11111328602468784,
 437893859848932344,-65535,-827240261886336764176,
 101559568985784,-1978419655660313589123978,
 99999904632567310800]

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Last modified August 7 22:54 EDT 2024. Contains 375018 sequences. (Running on oeis4.)