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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
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
Sequence in context: A181112 A152464 A284961 * A204692 A168308 A294984
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Mar 23 2013
STATUS
approved

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Last modified February 28 19:33 EST 2024. Contains 370400 sequences. (Running on oeis4.)