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A214556 Subsequence of fixed points A099009 of the Kaprekar mapping with numbers of the form 6//3(n)//17//6(n)//4. 6
6174, 631764, 63317664, 6333176664, 633331766664, 63333317666664, 6333333176666664, 633333331766666664, 63333333317666666664, 6333333333176666666664, 633333333331766666666664 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

The symbols // denote concatenation of digits in the definition, and d(n) denotes n repetitions of d, n >= 0.

LINKS

Syed Iddi Hasan, Table of n, a(n) for n = 0..248

FORMULA

If d(n) denotes n repetitions of the digit d, then a(n) = 63(n)176(n)4, where n >= 0.

EXAMPLE

631764 is a fixed point of the mapping for n=1.

CROSSREFS

Cf. A214555-A214559.

Sequence in context: A266586 A057880 A151967 * A114930 A068757 A278868

Adjacent sequences:  A214553 A214554 A214555 * A214557 A214558 A214559

KEYWORD

nonn,base

AUTHOR

Syed Iddi Hasan, Jul 20 2012

STATUS

approved

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Last modified May 19 20:41 EDT 2019. Contains 323410 sequences. (Running on oeis4.)