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 A239391 The record values of d for the n in A239390. 2
 1, 3, 5, 7, 11, 13, 17, 29, 37, 41, 43, 67, 95, 97, 109, 113, 115, 119, 167, 179, 181, 205, 211, 215, 229, 235, 265, 281, 319, 359, 373, 401, 413, 421, 439, 443, 461, 505, 545, 559, 719, 745, 775, 941 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Table of n, a(n) for n=1..44. MATHEMATICA greatestK[n_] := Module[{k = 1}, While[! PrimeQ[n^2 + (n - k)^2], k++]; k]; nn = 10000; t = {}; kMax = 0; Do[k = greatestK[n]; If[k > kMax, kMax = k; AppendTo[t, {n, k}]], {n, 2, nn}]; Transpose[t][[2]] CROSSREFS Cf. A069002 (least number d such that n^2 + (n-d)^2 is prime). Sequence in context: A108816 A088503 A118939 * A087382 A355845 A025127 Adjacent sequences: A239388 A239389 A239390 * A239392 A239393 A239394 KEYWORD nonn,more AUTHOR T. D. Noe, Mar 19 2014 EXTENSIONS a(38)-a(41) from Chai Wah Wu, Feb 06 2020 a(42)-a(44) from Chai Wah Wu, Feb 08 2020 STATUS approved

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Last modified December 1 23:26 EST 2023. Contains 367503 sequences. (Running on oeis4.)