login
A319798
Smallest fixed points (>0) of the base-n Kaprekar map.
1
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
OFFSET
2,1
COMMENTS
Conjecture: If n = 3*k - 1 (>2), a(n) = A000567(k). For example, a(29) = 10 * (3*10 - 2) = 280.
KEYWORD
nonn,base
AUTHOR
Seiichi Manyama, Sep 28 2018
EXTENSIONS
a(19) and a(31)-a(40) from Giovanni Resta, Oct 02 2018
STATUS
approved