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 A115049 Numbers n such that starting with n-th 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 Table of n, a(n) for n=1..24. 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 Sequence in context: A181044 A339449 A116031 * A307929 A202172 A349460 Adjacent sequences: A115046 A115047 A115048 * A115050 A115051 A115052 KEYWORD nonn AUTHOR Zak Seidov, Feb 28 2006 EXTENSIONS Corrected and extended by Don Reble, Nov 22 2006 STATUS approved

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Last modified June 9 07:14 EDT 2023. Contains 363168 sequences. (Running on oeis4.)