

A115049


Numbers n such that starting with nth prime, seven groups of three consecutive primes have prime totals.


0



4, 390, 393, 1724351, 2070298, 2155328, 3378096, 5333892, 5333895, 8520677, 11310117, 11436145, 13085496, 17272880, 25418046, 28636345, 33138545, 36896575, 37744498, 38493207, 45342669, 46960863, 59843398, 63107018
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,1


COMMENTS

Or, seven chunks of three consecutive primes with prime total.


LINKS



EXAMPLE

n = 4 is OK because totals of seven groups of three consecutive primes p(4)+p(5)+p(6),...,p(22)+p(23)+p(24) equal to 31,59,97,131,173,211,251, all prime.


CROSSREFS



KEYWORD

nonn


AUTHOR



EXTENSIONS

Corrected and extended by Don Reble, Nov 22 2006


STATUS

approved



