

A113824


a(1)=1; a(n+1) = the least prime greater than 2*a(n) which is a(n) plus a power of two.


5




OFFSET

1,2


COMMENTS

Next term 205688069665150755269371147819668813122842057000180977011589271 + 2^1752 is too large to include here.
Those powers of two are A073924.


LINKS

Table of n, a(n) for n=1..9.


EXAMPLE

151 is there because 23 + 2^7 = 151 is prime.


CROSSREFS

Cf. A073924, A080355, A080567, A099969, A099970, A099971, A099972.
Sequence in context: A120271 A145938 A048721 * A121883 A262264 A060235
Adjacent sequences: A113821 A113822 A113823 * A113825 A113826 A113827


KEYWORD

nonn


AUTHOR

Artur Jasinski, Jan 23 2006


EXTENSIONS

Edited by Don Reble, Jan 25 2006


STATUS

approved



