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 A067866 Numbers n such that n and 2^n end with the same three digits. 0
 736, 1736, 2736, 3736, 4736, 5736, 6736, 7736, 8736, 9736, 10736, 11736, 12736, 13736, 14736, 15736, 16736, 17736, 18736, 19736, 20736, 21736, 22736, 23736, 24736, 25736, 26736, 27736, 28736, 29736, 30736, 31736, 32736, 33736, 34736 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Tanya Khovanova, Recursive Sequences Index entries for linear recurrences with constant coefficients, signature (2,-1). FORMULA a(n) = 736 + 1000(n-1). a(n) = 2*a(n-1)-a(n-2). G.f.: 8*x*(92+33*x)/(1-x)^2. [Colin Barker, Dec 01 2012] PROG (PARI) isok(n) = (2^n - n) % 1000 == 0; \\ Michel Marcus, Nov 23 2013 CROSSREFS Cf. A064541. Subsequence of A067844 and A067845. Sequence in context: A083359 A083360 A121342 * A157198 A156954 A231034 Adjacent sequences:  A067863 A067864 A067865 * A067867 A067868 A067869 KEYWORD easy,nonn,base AUTHOR Benoit Cloitre, Mar 07 2002 STATUS approved

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Last modified January 23 19:24 EST 2019. Contains 319403 sequences. (Running on oeis4.)