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 A152598 Records in A001917. 3
 1, 2, 6, 8, 18, 24, 31, 38, 72, 105, 129, 630, 1285, 1542, 2048, 3112, 3512, 7710, 7760, 9728, 27594, 48834, 60787, 104694, 140896, 282224, 384800, 683720, 1205998, 1240672, 1407592, 4012472, 4429250, 4628480, 16657248, 69273666, 107700228 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS EXAMPLE First few terms of A001917 are 1, 1, 2, 1, 1, 2, 1, 2, 1, 6, so a(1) to a(3) are 1, 2, 6. PROG (MAGMA) R:=[]; r:=0; for n in [2..100000] do p:=NthPrime(n); a:=(p-1)/Modorder(2, p); if r lt a then r:=a; Append(~R, a); end if; end for; print R; CROSSREFS Cf. A001917 ((p-1)/x, where p = prime(n) and x = smallest positive integer such that 2^x == 1 mod p), A152597 (where records occur in A001917). Sequence in context: A259026 A178758 A024431 * A154610 A053658 A032393 Adjacent sequences:  A152595 A152596 A152597 * A152599 A152600 A152601 KEYWORD nonn,more AUTHOR Klaus Brockhaus, Dec 09 2008 EXTENSIONS More terms from Vassilis Papadimitriou, Mar 06 2010 More terms from Vassilis Papadimitriou, Mar 19 2010 a(37) from Amiram Eldar, Mar 08 2019 STATUS approved

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Last modified September 22 03:54 EDT 2020. Contains 337289 sequences. (Running on oeis4.)