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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

Table of n, a(n) for n=1..35.

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 July 24 21:38 EDT 2017. Contains 289777 sequences.