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A113256 as a simple table

n a(n)
0 -1
1 4
2 284
3 8464
4 -42256
5 322624
6 4935104
7 47997184
8 -485499136
9 7142278144
10 39980801024
11 125848981504
12 -2501476028416
13 97421005963264
14 60463578988544
15 16045087719424
16 13889461750267904
17 942837644226985984
18 -3160296751934734336
19 18357422585040338944

[-1,4,284,8464,-42256,322624,4935104,47997184,
 -485499136,7142278144,39980801024,125848981504,
 -2501476028416,97421005963264,60463578988544,
 16045087719424,13889461750267904,
 942837644226985984,-3160296751934734336,
 18357422585040338944]

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Last modified March 29 06:15 EDT 2024. Contains 371265 sequences. (Running on oeis4.)