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A088903 Primes P such that P and P+2 are twin primes and P = p(n)# + p(m) with p(n) < p(m) < p(n+1)^2, or 0 if no such prime P for n, p(n)# = n-th primorial, p(m)= m-th prime ( p(m), p(m+1) twin primes ). 0
5, 11, 17, 41, 59, 71, 227, 239, 269, 281, 311, 2339, 2381, 30089, 30137, 30269, 510551, 510581, 510611, 510617, 510707, 9699731, 9699887, 9699917, 223093511, 6469693331, 6469693511, 6469693661, 6469694039, 6469694057 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

First 0 is at n=41 p(n)=179, then at n=48, 49, 55, 63, 64......

LINKS

Table of n, a(n) for n=1..30.

EXAMPLE

p(8)# + 41 = 9699731, 9699733 are twin primes ( as 41, 43 )

p(8)# + 197 = 9699887, 9699889 are twin primes ( as 197, 199 )

p(8)# + 227 = 9699917, 9699919 are twin primes ( as 227, 229 )

p(8)=19#=2*3*5*7*11*13*17*19

CROSSREFS

Sequence in context: A085634 A157478 A297583 * A094205 A136091 A184968

Adjacent sequences:  A088900 A088901 A088902 * A088904 A088905 A088906

KEYWORD

base,nonn,less

AUTHOR

Pierre CAMI, Nov 29 2003

STATUS

approved

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Last modified September 26 06:05 EDT 2020. Contains 337346 sequences. (Running on oeis4.)