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A372002 as a simple table

n a(n)
0 1
1 2
2 0
3 4
4 -8
5 24
6 -72
7 224
8 -720
9 2368
10 -7936
11 27008
12 -93088
13 324288
14 -1140032
15 4039296
16 -14409728
17 51713792
18 -186577152
19 676334592
20 -2462090752
21 8997154816
22 -32992079872
23 121362092032
24 -447721572864
25 1656081763328
26 -6140640246784
27 22820403312640

[1,2,0,4,-8,24,-72,224,-720,2368,-7936,27008,
 -93088,324288,-1140032,4039296,-14409728,51713792,
 -186577152,676334592,-2462090752,8997154816,
 -32992079872,121362092032,-447721572864,
 1656081763328,-6140640246784,22820403312640]

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Last modified August 10 05:56 EDT 2024. Contains 375044 sequences. (Running on oeis4.)