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 A249043 a(1) = 42; a(n+1) = a(n) + sum of decimal digits of a(n). 2
 42, 48, 60, 66, 78, 93, 105, 111, 114, 120, 123, 129, 141, 147, 159, 174, 186, 201, 204, 210, 213, 219, 231, 237, 249, 264, 276, 291, 303, 309, 321, 327, 339, 354, 366, 381, 393, 408, 420, 426, 438, 453, 465, 480, 492, 507, 519, 534, 546, 561, 573, 588, 609, 624, 636 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 REFERENCES D. R. Kaprekar, The Mathematics of the New Self Numbers, Privately Printed, 311 Devlali Camp, Devlali, India, 1963. LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..10000 D. R. Kaprekar, The Mathematics of the New Self Numbers [annotated and scanned] Index entries for Colombian or self numbers and related sequences FORMULA a(n+1) = A062028(a(n)). - Reinhard Zumkeller, Oct 31 2014 PROG (Haskell) a249043 n = a249043_list !! (n-1) a249043_list = iterate a062028 42 -- Reinhard Zumkeller, Oct 31 2014 CROSSREFS Cf. A004207, A016052, A007618, A006507, A016052, A036228. Cf. A007953, A062028. Sequence in context: A095485 A276185 A124189 * A063998 A255513 A186456 Adjacent sequences: A249040 A249041 A249042 * A249044 A249045 A249046 KEYWORD easy,nonn,base AUTHOR N. J. A. Sloane, Oct 30 2014 STATUS approved

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Last modified May 26 01:16 EDT 2024. Contains 372807 sequences. (Running on oeis4.)