login

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

A159005 as a simple table

na(n)
01
110
22
3-1940
4-19988
5560600
615400120
7-175631600
8-12320798320
914487191200
1011011816030240
1195920712926400
12-10911530551334720
13-221918063914793600
1411682109283252497280
15421292676523621792000
16-12959773881144953081600

[1,10,2,-1940,-19988,560600,15400120,-175631600,
 -12320798320,14487191200,11011816030240,
 95920712926400,-10911530551334720,
 -221918063914793600,11682109283252497280,
 421292676523621792000,-12959773881144953081600]