A165017 Consider the base-4 Kaprekar map n->K(n) defined in A165012. Sequence gives numbers belonging to cycles, including fixed points.

0, 30, 126, 138, 201, 570, 765, 2550, 3369, 3873, 14565, 41958, 42966, 54441, 57333, 62625, 64641, 171990, 234405, 254865, 873129, 954261, 1004193, 1036929, 1044993, 2788950, 3489705, 3755685, 3833685, 4083345, 4165185, 11140950, 13978281

Offset

1,2

Comments

Initial terms in base 4: 0, 132, 1332, 2022, 3021, 20322, 23331, 213312, 310221, 330201.

Links

Joseph Myers, Table of n, a(n) for n=1..7217

Index entries for the Kaprekar map

Crossrefs

Union of A165016 and A165019. Cf. A165012, A165018, A165021, A165023, A165030, A165026.

In other bases: A163205 (base 2), A164998 (base 3), A165037 (base 5), A165056 (base 6), A165076 (base 7), A165095 (base 8), A165115 (base 9), A164716 (base 10).

Sequence in context: A122137 A003901 A010744 * A165021 A307849 A044362

Adjacent sequences: A165014 A165015 A165016 * A165018 A165019 A165020

Keyword

base,nonn

Author

Joseph Myers, Sep 04 2009

Status

approved