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A217742 Numbers n with the property that if the base-8 representation of n is read backwards, the result is 5*n. 2
525, 4725, 34125, 38325, 269325, 307125, 2150925, 2184525, 2423925, 2457525, 17203725, 17506125, 19358325, 19660725, 137626125, 137894925, 139810125, 140078925, 154833525, 155102325, 157017525, 157286325 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..22.

EXAMPLE

n = 525 (base 10) = 1015 (base 8). Reading this backwards we get 5101 (base 8) = 2625 (base 10) = 5*n, so 525 is in the sequence.

CROSSREFS

Cf. A241927, A223089.

Sequence in context: A181112 A152464 A284961 * A204692 A168308 A294984

Adjacent sequences:  A217739 A217740 A217741 * A217743 A217744 A217745

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Mar 23 2013

STATUS

approved

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Last modified February 28 09:52 EST 2020. Contains 332323 sequences. (Running on oeis4.)