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 A214555 Subsequence of fixed points A099009 of the Kaprekar mapping with numbers of the form 5(n)//4//9(n+1)//4(n)//5. 6
 495, 549945, 554999445, 555499994445, 555549999944445, 555554999999444445, 555555499999994444445, 555555549999999944444445, 555555554999999999444444445, 555555555499999999994444444445, 555555555549999999999944444444445 (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..165 FORMULA If d(n) denotes n repetitions of the digit d, then a(n) = 5(n)49(n+1)4(n)5, where n >= 0. EXAMPLE 549945 is a fixed point of the mapping for n=1. CROSSREFS Cf. A214556-A214559. Sequence in context: A104478 A133352 A140913 * A333756 A179170 A157447 Adjacent sequences:  A214552 A214553 A214554 * A214556 A214557 A214558 KEYWORD nonn,base AUTHOR Syed Iddi Hasan, Jul 20 2012 STATUS approved

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Last modified September 20 10:04 EDT 2020. Contains 337264 sequences. (Running on oeis4.)