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A153138 Smallest sequence of odd primes such that no sum of at least two terms is prime 2
3, 5, 7, 83, 317, 383, 29567, 423509, 118661483, 52542428123 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
PROG
(PARI) a=[]; for(n=1, 10, forprime(p=if(a, a[#a]+2, 3), , setsearch(a, p)&&next; for(i=1, 2^#a-1, isprime(normlp(vecextract(a, i), 1)+p)&&next(2)); a=concat(a, p); print1(p", "))) \\ Very simplistic, should at least avoid an odd number of terms in the partial sum of earlier terms. \\ M. F. Hasler, Jan 29 2015
CROSSREFS
Sequence in context: A119939 A306573 A254925 * A201270 A160360 A082697
KEYWORD
more,nonn
AUTHOR
Benoit Jubin, Dec 19 2008
EXTENSIONS
a(8)-a(10) from Donovan Johnson, Dec 23 2008
STATUS
approved

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Last modified March 19 07:49 EDT 2024. Contains 370958 sequences. (Running on oeis4.)