A165111 - OEIS

A165111

a(n) = A165110(n)/8.

0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 2, 3, 4, 5, 6, 7, 2, 1, 0, 1, 2, 3, 4, 5, 6, 3, 2, 1, 0, 1, 2, 3, 4, 5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 4, 3, 2, 1, 0, 1, 2, 3, 6, 5, 4, 3, 2, 1, 0, 1, 2, 7, 6, 5, 4, 3, 2, 1, 0, 1, 8, 7, 6, 5, 4, 3, 2, 1, 0, 10, 10, 20, 30, 40, 50, 60, 70, 80, 10, 0, 10, 20, 30, 40, 50

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OFFSET

0,13

LINKS

Joseph Myers, Table of n, a(n) for n=0..6561

Index entries for the Kaprekar map

MATHEMATICA

A165111[n_] := (FromDigits[ReverseSort[#], 9] - FromDigits[Sort[#], 9] & [IntegerDigits[n, 9]])/8;

Array[A165111, 100, 0] (* Paolo Xausa, Jan 24 2026 *)

CROSSREFS

Cf. A165110.

In other bases: A164884 (base 2), A164994 (base 3), A165013 (base 4), A165033 (base 5), A165052 (base 6), A165072 (base 7), A165091 (base 8), A151950 (base 10).

Sequence in context: A037895 A037903 A037841 * A038387 A240832 A173527

Adjacent sequences: A165108 A165109 A165110 * A165112 A165113 A165114

KEYWORD

base,nonn

AUTHOR

Joseph Myers, Sep 04 2009

STATUS

approved