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 A174243 Least of 5 consecutive integers such that product of them is average of twin prime pairs. 2
 7, 75, 178, 209, 371, 431, 497, 516, 679, 770, 802, 830, 858, 931, 957, 1221, 1232, 1251, 1309, 1397, 1419, 1545, 1567, 1683, 1713, 1714, 1834, 1901, 1991, 2337, 2408, 2441, 2505, 2623, 2651, 2673, 2726, 3142, 3223, 3269, 3349, 3386, 3387, 3461, 3492 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS 7*8*9*10*11=55440 +-1 -> primes,.. LINKS MATHEMATICA f1[n_]:=PrimeQ[n-1]&&PrimeQ[n+1]; f2[n_]:=n*(n+1)*(n+2)*(n+3)*(n+4); lst={}; Do[If[f1[f2[n]], AppendTo[lst, n]], {n, 8!}]; lst CROSSREFS Cf. A014574, A174242 Sequence in context: A323322 A326221 A197091 * A157706 A197763 A202251 Adjacent sequences:  A174240 A174241 A174242 * A174244 A174245 A174246 KEYWORD nonn AUTHOR Vladimir Joseph Stephan Orlovsky, Mar 13 2010 STATUS approved

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Last modified July 18 19:00 EDT 2019. Contains 325144 sequences. (Running on oeis4.)