login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A166157 as a simple table

na(n)
01
1-8
280
3-656
46416
5-53648
6515600
7-4378256
841501456
9-356735888
103344840720
11-29029824656
12269858356496
13-2360005731728
1421789807399440
15-191710220083856
161760576352843536
17-15563712198881168

[1,-8,80,-656,6416,-53648,515600,-4378256,
 41501456,-356735888,3344840720,-29029824656,
 269858356496,-2360005731728,21789807399440,
 -191710220083856,1760576352843536,
 -15563712198881168]