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 A152470 Largest of three consecutive primes whose sum is a prime. 4
 11, 13, 17, 23, 29, 31, 37, 41, 47, 61, 71, 73, 79, 89, 97, 107, 127, 151, 157, 167, 173, 211, 227, 239, 281, 293, 307, 311, 317, 349, 353, 359, 389, 401, 419, 421, 439, 461, 463, 479, 487, 503, 509, 523, 563, 631, 647, 661, 673, 677, 719, 733, 757, 761, 769 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS MAPLE t0:=[]; t1:=[]; t2:=[]; t3:=[]; for i from 1 to 1000 do t3:=ithprime(i)+ithprime(i+1)+ithprime(i+2); if isprime(t3) then t0:=[op(t0), i]; t1:=[op(t1), ithprime(i)]; t2:=[op(t2), ithprime(i+1)]; t3:=[op(t2), ithprime(i+2)]; fi; od: t3; MATHEMATICA lst={}; Do[p0=Prime[n]; p1=Prime[n+1]; p2=Prime[n+2]; If[PrimeQ[p0+p1+p2], AppendTo[lst, p2]], {n, 6!}]; lst CROSSREFS Cf. A073681, A072225, A152468, A152469. Sequence in context: A120168 A087681 A137669 * A191023 A078861 A106891 Adjacent sequences:  A152467 A152468 A152469 * A152471 A152472 A152473 KEYWORD nonn AUTHOR Vladimir Joseph Stephan Orlovsky, Dec 05 2008 STATUS approved

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