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 A064496 Values of n such that 4j = np+1 where p = 8x+1, x integer, p prime and j mod 3 = 0. 0
 7, 7, 11, 7, 11, 7, 7, 11, 7, 11, 7, 7, 11, 11, 7, 7, 11, 11, 7, 11, 7, 7, 11, 7, 11, 7, 7, 11, 7, 11, 7, 11, 7, 7, 7, 11, 7, 7, 11, 11, 7, 7, 11, 11, 7, 11, 7, 11, 7, 11, 11, 7, 7, 7, 7, 11, 11, 7, 7, 11, 11, 11, 7, 7, 11, 7, 11, 11, 11, 11, 7, 7, 11 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS H. Mishima, Overview of "Mathematician's Secret Room" EXAMPLE E.g. x=2 gives p=17. 4j=17p+1 implies n is 7 and j is 30. The values that give 7 form the basis for solutions for the Erdos-Strauss conjecture: 4/n=1/a+1/b+1/c for n >= 2, a,b,c>0 and integers. CROSSREFS Sequence in context: A306530 A094460 A070642 * A084513 A084523 A213886 Adjacent sequences:  A064493 A064494 A064495 * A064497 A064498 A064499 KEYWORD nonn AUTHOR Jon Perry, Oct 05 2001 STATUS approved

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Last modified July 17 02:10 EDT 2019. Contains 325092 sequences. (Running on oeis4.)