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 A106518 Belgian-2 numbers. 13
 2, 10, 11, 12, 15, 16, 20, 22, 25, 26, 32, 38, 41, 42, 46, 67, 72, 82, 86, 91, 95, 100, 101, 102, 103, 105, 107, 110, 111, 112, 113, 115, 116, 120, 121, 122, 123, 124, 125, 130, 131, 132, 134, 136, 138, 141, 142, 143 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 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@ 145, belgianQ[#, 2] &] (* Robert G. Wilson v, May 06 2011 *) PROG (Haskell) a106518 n = a106518_list !! (n-1) a106518_list = filter belge2 [2..] where belge2 x = x == (head \$ dropWhile (< x) \$ scanl (+) 2 \$ 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: A165451 A121717 A217072 * A158304 A007089 A159952 Adjacent sequences: A106515 A106516 A106517 * A106519 A106520 A106521 KEYWORD base,easy,nonn AUTHOR Eric Angelini, Jun 07 2005 EXTENSIONS Offset changed by Reinhard Zumkeller, May 08 2015 STATUS approved

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Last modified December 8 13:46 EST 2023. Contains 367679 sequences. (Running on oeis4.)