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A009438 as a simple table

n a(n)
0 0
1 1
2 -3
3 8
4 -32
5 149
6 -831
7 5340
8 -38744
9 316161
10 -2846611
11 28263960
12 -305651048
13 3593550245
14 -45584631743
15 622159233948
16 -9091059243792
17 141783419182561
18 -2351573180823939
19 41355560621409352
20 -768924714448510480

[0,1,-3,8,-32,149,-831,5340,-38744,316161,
 -2846611,28263960,-305651048,3593550245,
 -45584631743,622159233948,-9091059243792,
 141783419182561,-2351573180823939,
 41355560621409352,-768924714448510480]

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)