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 A106439 Belgian-1 numbers. 13
 1, 10, 11, 13, 16, 17, 21, 23, 41, 43, 56, 58, 74, 81, 91, 97, 100, 101, 106, 110, 111, 113, 115, 121, 122, 130, 131, 137, 142, 155, 157, 161, 170, 171, 172, 178, 179, 181, 184, 188, 193, 201 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..10000 MATHEMATICA belgianQ[n_, k_] := If[n < k, False, Block[{id = Join[{0}, IntegerDigits@ n]}, MemberQ[ Accumulate@ id, Mod[n - k, Plus @@ id]] ]]; Select[ Range@ 202, belgianQ[#, 1] &] (* Robert G. Wilson v, May 06 2011 *) PROG (Haskell) a106439 n = a106439_list !! (n-1) a106439_list = filter belge1 [1..] where    belge1 x = x == (head \$ dropWhile (< x) \$                     scanl (+) 1 \$ cycle (map (read . return) \$ show x)) -- Reinhard Zumkeller, May 08 2015 CROSSREFS See A106039 for definition and link. Belgian-k numbers, k=0..9: A106039, A106439, A106518, A106596, A106631, A106792, A107014, A107018, A107032, A107043. Cf. A257770. Sequence in context: A093679 A153194 A175224 * A290745 A121263 A121295 Adjacent sequences:  A106436 A106437 A106438 * A106440 A106441 A106442 KEYWORD base,easy,nonn AUTHOR Eric Angelini, Jun 07 2005 STATUS approved

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Last modified October 14 12:17 EDT 2019. Contains 328004 sequences. (Running on oeis4.)