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 A176995 Numbers that can be written as (m + sum of digits of m) for some m. 17
 2, 4, 6, 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 76, 77 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS A230093(a(n)) > 0. - Reinhard Zumkeller, Oct 11 2013 REFERENCES Joshi, V. S. A note on self-numbers. Volume dedicated to the memory of V. Ramaswami Aiyar. Math. Student 39 (1971), 327--328 (1972). MR0330032 (48 #8371) Makowski, Andrzej. On Kaprekar's "junction numbers''. Math. Student 34 1966 77 (1967). MR0223292 (36 #6340) Narasinga Rao, A. On a technique for obtaining numbers with a multiplicity of generators. Math. Student 34 1966 79--84 (1967). MR0229573 (37 #5147) LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..10000 Eric Weisstein's World of Mathematics, Self Number Wikipedia, Self number EXAMPLE a(5) = 10 = 5 + (5); a(87) = 100 = 86 + (8+6); a(898) = 1000 = 977 + (9+7+7); a(9017) = 10000 = 9968 + (9+9+6+8). MATHEMATICA Select[Union[Table[n + Total[IntegerDigits[n]], {n, 77}]], # <= 77 &] (* Jayanta Basu, Jul 27 2013 *) PROG (Haskell) a176995 n = a176995_list !! (n-1) a176995_list = filter ((> 0) . a230093) [1..] -- Reinhard Zumkeller, Oct 11 2013, Aug 21 2011 (PARI) is_A003052(n)={for(i=1, min(n\2, 9*#digits(n)), sumdigits(n-i)==i && return); n} \\ from A003052 isok(n) = ! is_A003052(n) \\ Michel Marcus, Aug 20 2020 CROSSREFS Complement of A003052, range of A062028. Cf. A062028, A007953, A055642, A230093. Sequence in context: A081472 A097660 A238898 * A225793 A154809 A153170 Adjacent sequences:  A176992 A176993 A176994 * A176996 A176997 A176998 KEYWORD nonn,base AUTHOR Reinhard Zumkeller, Aug 21 2011 STATUS approved

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Last modified September 24 21:01 EDT 2020. Contains 337321 sequences. (Running on oeis4.)