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A196414 as a simple table

n a(n)
0 1
1 0
2 -126
3 -2181
4 -16360
5 -78005
6 -279216
7 -818503
8 -2056832
9 -4420089
10 -6371200
11 20429629
12 443169792
13 6164272283
14 87072877696
15 1307503508625
16 20922521452544
17 355687017757327
18 6402373093507968
19 121645099514960261
20 2432902006896640000

[1,0,-126,-2181,-16360,-78005,-279216,-818503,
 -2056832,-4420089,-6371200,20429629,443169792,
 6164272283,87072877696,1307503508625,
 20922521452544,355687017757327,6402373093507968,
 121645099514960261,2432902006896640000]

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)