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A105621 as a simple table

n a(n)
0 1
1 -3
2 -7
3 -39
4 -315
5 -3243
6 -40167
7 -579159
8 -9514395
9 -175345083
10 -3582404487
11 -80368306119
12 -1964266364475
13 -51955106653323
14 -1478719724319207
15 -45062796853058679
16 -1463985729352297755
17 -50509695778598958363
18 -1844377821680825976327

[1,-3,-7,-39,-315,-3243,-40167,-579159,-9514395,
 -175345083,-3582404487,-80368306119,
 -1964266364475,-51955106653323,-1478719724319207,
 -45062796853058679,-1463985729352297755,
 -50509695778598958363,-1844377821680825976327]

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Last modified April 23 02:53 EDT 2024. Contains 371906 sequences. (Running on oeis4.)