A151956 a(1) = 1002; thereafter a(n) = (a(n-1) with digits sorted into descending order) - (a(n-1) with digits sorted into ascending order) (see the Kaprekar map, A151949).

1002, 2088, 8532, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174, 6174

Offset

1,1

Comments

For the list of fixed points see A099009.

Links

Table of n, a(n) for n=1..39.

Index entries for the Kaprekar map

Crossrefs

Cf. A099009, A151947, A151949, A151950, A069746, A151955, A151951, A151957.

Sequence in context: A262596 A213316 A169828 * A111349 A182935 A350692

Adjacent sequences: A151953 A151954 A151955 * A151957 A151958 A151959

Keyword

nonn,base

Author

Harvey P. Dale, Aug 18 2009

Status

approved