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A012288 as a simple table

n a(n)
0 1
1 0
2 0
3 0
4 12
5 -60
6 210
7 -1260
8 18480
9 -235872
10 2421960
11 -26091120
12 365320296
13 -5967877344
14 97738612608
15 -1617354429600
16 29014419932160
17 -574177721782144
18 12059384791998912
19 -262395430866467712

[1,0,0,0,12,-60,210,-1260,18480,-235872,2421960,
 -26091120,365320296,-5967877344,97738612608,
 -1617354429600,29014419932160,-574177721782144,
 12059384791998912,-262395430866467712]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)