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A051550 as a simple table

n a(n)
0 1
1 -1
2 7
3 -65
4 695
5 -8081
6 33101
7 -422987
8 5564765
9 -224617265
10 3076621127
11 -42757939841
12 601443961207
13 -8546453367505
14 122502619954855
15 -65523500154995
16 2857425741902815
17 -41776517795212585
18 1841741396312128685
19 -27188436143675219435

[1,-1,7,-65,695,-8081,33101,-422987,5564765,
 -224617265,3076621127,-42757939841,601443961207,
 -8546453367505,122502619954855,-65523500154995,
 2857425741902815,-41776517795212585,
 1841741396312128685,-27188436143675219435]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)