login

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

A160621 as a simple table

na(n)
01
10
2-1
3-2
4-5
5-7
6-37
7-17
8887
91405
10168919
11958271
123086837
13122693929
14559876951
1515779421743
16337767590383
171531923385313
1811912361112367
19-6819537030283
20-21032925955607701
21-313699426574980519
22-16703816669710968821
23-212752402370938916881

[1,0,-1,-2,-5,-7,-37,-17,887,1405,168919,958271,
 3086837,122693929,559876951,15779421743,
 337767590383,1531923385313,11912361112367,
 -6819537030283,-21032925955607701,
 -313699426574980519,-16703816669710968821,
 -212752402370938916881]