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A376260
Numbers k such that R(k)/k is of the form m/(m + 1), where R(k) is the digital reversal of k.
1
54, 594, 5454, 5994, 6534, 10890, 20691, 30492, 40293, 50094, 54054, 59994, 65934, 70686, 109890, 208791, 307692, 406593, 505494, 540054, 545454, 594594, 599994, 604395, 659934, 703296, 802197, 901098, 1099890, 2089791, 3079692, 4069593, 5059494, 5400054, 5459454
OFFSET
1,1
EXAMPLE
6534 is a term since its digital reversal 4356 = 6534 * 2/3.
MATHEMATICA
Select[Range[5500000], Numerator[r = FromDigits[Reverse[IntegerDigits[#] ]]/#] == Denominator[r] - 1 &]
CROSSREFS
Cf. A004086, A376259 (digital reversal).
Sequence in context: A228016 A245833 A254701 * A086577 A193152 A253006
KEYWORD
nonn,base
AUTHOR
Stefano Spezia, Sep 17 2024
STATUS
approved