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A307911 as a simple table

n a(n)
0 1
1 -1
2 0
3 27
4 -416
5 5625
6 -74304
7 924385
8 -8626176
9 -48361131
10 7124800000
11 -340421390199
12 13686496542720
13 -522760216822129
14 19658830846298112
15 -735037915447265625
16 27218267709730979840
17 -980444996625142158435
18 32830565919734078521344
19 -889052809376495994642527

[1,-1,0,27,-416,5625,-74304,924385,-8626176,
 -48361131,7124800000,-340421390199,13686496542720,
 -522760216822129,19658830846298112,
 -735037915447265625,27218267709730979840,
 -980444996625142158435,32830565919734078521344,
 -889052809376495994642527]

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Last modified May 15 13:23 EDT 2024. Contains 372540 sequences. (Running on oeis4.)