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Search: id:A068779
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| A068779 |
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Least number k such that floor( k / digit reversal of k ) = n. |
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+0
1
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| 1, 31, 51, 71, 120, 350, 230, 450, 890, 10, 650, 430, 320, 850, 530, 950, 210, 2110, 730, 520, 830, 1800, 310, 3310, 4910, 720, 3110, 4610, 410, 4410, 920, 4310, 4210, 510, 5510, 4110, 2700, 610, 5310, 7910, 710, 29600, 6410, 5110, 810, 6310, 910
(list; graph; listen)
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OFFSET
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1,2
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MATHEMATICA
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Reversal = ToExpression @ StringReverse @ ToString[ # ] &; a = Table[0, {70}]; Do[b = Floor[n/Reversal[n]]; If[b < 71 && a[[b]] == 0, a[[b]] = n], {n, 1, 10^6}]; a
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CROSSREFS
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Cf. A068159.
Sequence in context: A127576 A139896 A004224 this_sequence A068473 A163321 A141856
Adjacent sequences: A068776 A068777 A068778 this_sequence A068780 A068781 A068782
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KEYWORD
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base,easy,nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Mar 02 2002
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