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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 September 20 10:24 EDT 2020. Contains 337264 sequences. (Running on oeis4.)