login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A001054 a(n) = a(n-1)*a(n-2) - 1. 1
0, 1, -1, -2, 1, -3, -4, 11, -45, -496, 22319, -11070225, -247076351776, 2735190806339469599, -675800965841611881515781657825, -1848444588685310753420392017318175868503407962176 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

John Cerkan, Table of n, a(n) for n = 0..21

CROSSREFS

Sequence in context: A166476 A052950 A086851 * A218209 A141487 A217103

Adjacent sequences:  A001051 A001052 A001053 * A001055 A001056 A001057

KEYWORD

easy,sign

AUTHOR

R. K. Guy

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 20 19:57 EDT 2019. Contains 321349 sequences. (Running on oeis4.)