

A153136


Smallest sequence of primes such that no sum of at least two terms is prime


4




OFFSET

1,1


LINKS



PROG

(PARI) a=[]; for(n=1, 10, forprime(p=2, , setsearch(a, p)&&next; for(i=1, 2^#a1, 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 odd primes in the partial sum of earlier terms. \\ M. F. Hasler, Jan 29 2015


CROSSREFS



KEYWORD

more,nonn


AUTHOR



EXTENSIONS



STATUS

approved



