A165078 Consider the base-7 Kaprekar map n->K(n) defined in A165071. Sequence gives numbers belonging to cycles of length greater than 1

144, 192, 1068, 1752, 1836, 9936, 10608, 13008, 13680, 15072, 55500, 72012, 77388, 89112, 91212, 91800, 640992, 643344, 660144, 674592, 760992, 780144, 3562968, 4605036, 4642668, 4772952, 5445336, 5464152, 31412208, 31680336, 32353344

Offset

1,1

Comments

Initial terms in base 7: 264, 363, 3054, 5052, 5232, 40653, 42633, 52632, 54612, 61641.

Links

Joseph Myers, Table of n, a(n) for n=1..32041

Index entries for the Kaprekar map

Crossrefs

Cf. A165071, A165079, A165075, A165076, A165080, A165082, A165088.

In other bases: Empty (base 2), A165000 (base 3), A165019 (base 4), A165039 (base 5), A165058 (base 6), A165097 (base 8), A165117 (base 9), A099010 (base 10).

Sequence in context: A245214 A257412 A165076 * A135780 A069701 A358666

Adjacent sequences: A165075 A165076 A165077 * A165079 A165080 A165081

Keyword

base,nonn

Author

Joseph Myers, Sep 04 2009

Status

approved