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A308390 as a simple table

n a(n)
0 1
1 -1
2 56
3 -52556
4 197741887
5 -2063348839223
6 48406314676155689
7 -2224972937386763396470
8 181775891472021264149048031
9 -24546223741277444828277125708238
10 5178698199109137849496232609026642706
11 -1632057854975794517762778147823325297971400

[1,-1,56,-52556,197741887,-2063348839223,
 48406314676155689,-2224972937386763396470,
 181775891472021264149048031,
 -24546223741277444828277125708238,
 5178698199109137849496232609026642706,
 -1632057854975794517762778147823325297971400]

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)