login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A126033 a(n) is largest prime < 5*a(n-1). 1
2, 7, 31, 151, 751, 3739, 18691, 93427, 467123, 2335607, 11678021, 58390103, 291950479, 1459752391, 7298761949, 36493809683, 182469048409, 912345242041, 4561726210189, 22808631050929, 114043155254641, 570215776273147 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Artur Jasinski, Table of n, a(n) for n = 1..40

CROSSREFS

Cf. A006902, A040016, A120031-A120040.

Sequence in context: A055836 A076177 A335868 * A323632 A256672 A007863

Adjacent sequences:  A126030 A126031 A126032 * A126034 A126035 A126036

KEYWORD

nonn

AUTHOR

Artur Jasinski, Dec 16 2006

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 June 14 07:10 EDT 2021. Contains 345018 sequences. (Running on oeis4.)