login

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

A012822 as a simple table

na(n)
01
11
25
3-499
4-12055
5-2156871
6-24423763
7-27205910523
82396435716433
9-1214149548475407
10375616253471952085
11-173184506373765285763
1293896424495536603892025
13-57465007424690895944339543

[1,1,5,-499,-12055,-2156871,-24423763,
 -27205910523,2396435716433,-1214149548475407,
 375616253471952085,-173184506373765285763,
 93896424495536603892025,
 -57465007424690895944339543]