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 A082251 Primes that are the sum of 9 consecutive primes. 19
 127, 401, 439, 479, 593, 881, 929, 977, 1163, 1213, 1321, 1367, 1459, 1511, 1601, 1747, 1801, 1951, 1999, 2053, 2111, 2393, 2713, 3299, 3457, 3517, 3571, 3739, 3793, 4091, 4253, 4621, 4691, 4969, 5413, 5521, 5827, 5987, 6173, 6379, 6947, 7151, 7741 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Syed Iddi Hasan, Table of n, a(n) for n = 1..10000 MATHEMATICA Clear[Sum9Primes]; Sum9Primes[a_]:=Module[{p}, p=Prime[a]+Prime[a+1] +Prime[a+2]+Prime[a+3]+Prime[a+4]+Prime[a+5] +Prime[a+6] +Prime[a+7]+Prime[a+8]]; lst={}; Do[If[PrimeQ[p=Sum9Primes[n]], AppendTo[lst, p]], {n, 6!}]; lst (* Vladimir Joseph Stephan Orlovsky, Apr 06 2009 *) PROG (PARI) \\ primes in the sum of m odd number of consecutive primes. m=9 psumprm(m, n) = { sr=0; s=0; for(j=1, m, s+=prime(j); ); for(x=1, n, s = s - prime(x)+ prime(x+m); if(isprime(s), sr+=1.0/s; print1(s" ")); ); print(); print(sr) } CROSSREFS Sequence in context: A143034 A159521 A122691 * A142384 A298237 A299363 Adjacent sequences: A082248 A082249 A082250 * A082252 A082253 A082254 KEYWORD easy,nonn AUTHOR Cino Hilliard, May 09 2003 STATUS approved

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Last modified April 15 20:47 EDT 2024. Contains 371696 sequences. (Running on oeis4.)