A319798 - OEIS

A319798

Smallest fixed points (>0) of the base-n Kaprekar map.

9, 184, 30, 8, 105, 1922263344, 21, 41520, 495, 40, 858, 3488424, 65, 30996, 2040, 96, 2907, 264925230120, 133, 2787400, 5313, 176, 6900, 237360, 225, 9742824, 10962, 280, 13485, 763713003420, 341, 26485184, 19635, 408, 23310, 107599353444576, 481, 60920080, 31980

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OFFSET

2,1

COMMENTS

Conjecture: If n = 3*k - 1 (>2), a(n) = A000567(k). For example, a(29) = 10 * (3*10 - 2) = 280.

LINKS

Table of n, a(n) for n=2..40.

Index entries for the Kaprekar map

CROSSREFS