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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
1, 3, 7, 23, 151, 65687, 9007199254806679, 73795983494093013143, 205688069665150755269371147819668813122842057000180977011589271 (list; graph; refs; listen; history; text; internal format)
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

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Last modified July 21 00:49 EDT 2019. Contains 325189 sequences. (Running on oeis4.)