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 A030531 Value of 3^x - 2^x - 5 for the solutions of 3^x - 2^x == 5 (mod 7). 1
 0, 14, 6300, 19166, 4766580, 14316134, 3485735820, 10458256046, 2541798719460, 7625463267254, 1853015893884540, 5559051976620926, 1350851442795085140, 4052554603263162374, 984770884591425188460, 2954312671366461609806 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 REFERENCES Emil Grosswald, Topics From the Theory of Numbers. 1966 p 65 problem 23 LINKS Table of n, a(n) for n=1..16. PROG (PARI) f(n) = for(x=1, n, y=3^x-2^x-5; if(y%7==0, print1(y" "))) CROSSREFS Cf. A047243. Sequence in context: A344689 A159372 A060856 * A206357 A147686 A048913 Adjacent sequences: A030528 A030529 A030530 * A030532 A030533 A030534 KEYWORD nonn AUTHOR Cino Hilliard, May 09 2003 STATUS approved

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Last modified June 15 10:19 EDT 2024. Contains 373407 sequences. (Running on oeis4.)