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 A085237 Nondecreasing gaps between primes. 4
 1, 2, 2, 4, 4, 4, 6, 6, 6, 6, 6, 6, 6, 8, 14, 14, 14, 18, 20, 22, 34, 34, 36, 36, 36, 44, 52, 52, 72, 86, 86, 96, 112, 114, 118, 132, 132, 148, 154, 154, 154, 180, 210, 220, 222, 234, 248, 250, 250, 282, 288, 292, 320, 336, 336, 354, 382, 384, 394, 456, 464, 468, 474, 486, 490, 500, 514, 516, 532, 534, 540, 582, 588, 602, 652, 674, 716, 766, 778 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS All terms of A005250 are in the sequence, but some terms of A005250 appear in this sequence more than once. REFERENCES R. K. Guy, Unsolved problems in number theory. LINKS EXAMPLE a(21) = a(22) = 34 because prime(218) - prime(217) = prime(1060) - prime(1059) = 34 and prime(n+1) - prime(n) is less than 34, for n < 1059 and n not equal to 217. MATHEMATICA f[n_] := Prime[n+1]-Prime[n]; v={}; Do[ If[f[n]>=If[n==1, 1, v[[ -1]]], v1=n; v=Append[v, f[v1]]; Print[v]], {n, 105000000}] CROSSREFS Cf. A005250, A005669, A053686, A002386. Sequence in context: A292264 A265263 A113320 * A279891 A110870 A206224 Adjacent sequences:  A085234 A085235 A085236 * A085238 A085239 A085240 KEYWORD nonn AUTHOR Farideh Firoozbakht, Aug 11 2003 EXTENSIONS a(53)-a(63) from Donovan Johnson, Nov 24 2008 a(64)-a(76) from Charles R Greathouse IV, May 09 2011 a(77)-a(79) from Charles R Greathouse IV, May 19 2011 STATUS approved

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