Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | -1 |
3 | 17 |
4 | -54 |
5 | 677 |
6 | -4950 |
7 | 65145 |
8 | -752024 |
9 | 11468069 |
10 | -176381640 |
11 | 3165529275 |
12 | -59818647768 |
13 | 1251370749059 |
14 | -27828301203248 |
15 | 668331142030125 |
16 | -17039769301121760 |
17 | 462939633071828473 |
18 | -13293952511690952000 |
[0,2,-1,17,-54,677,-4950,65145,-752024,11468069, -176381640,3165529275,-59818647768,1251370749059, -27828301203248,668331142030125, -17039769301121760,462939633071828473, -13293952511690952000] |