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A004996 as a simple table

n a(n)
0 1
1 -6
2 -90
3 -1980
4 -50490
5 -1393524
6 -40412196
7 -1212365880
8 -37280250810
9 -1168114525380
10 -37146041907084
11 -1195427166827976
12 -38851382921909220
13 -1273129932671794440
14 -42013287778169216520

[1,-6,-90,-1980,-50490,-1393524,-40412196,
 -1212365880,-37280250810,-1168114525380,
 -37146041907084,-1195427166827976,
 -38851382921909220,-1273129932671794440,
 -42013287778169216520]

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Last modified June 1 19:09 EDT 2024. Contains 373027 sequences. (Running on oeis4.)