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A012609 as a simple table

n a(n)
0 1
1 -12
2 3472
3 -20044992
4 -47937777408
5 -20305698249280512
6 -2854719816291959009280
7 -1250271985277826533770444800
8 -852308886538376231161133484933120
9 -1020041468410487908146642041792342261760
10 -1902990477565541776130152995745141108333608960

[1,-12,3472,-20044992,-47937777408,
 -20305698249280512,-2854719816291959009280,
 -1250271985277826533770444800,
 -852308886538376231161133484933120,
 -1020041468410487908146642041792342261760,
 -1902990477565541776130152995745141108333608960]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)