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 A110897 Let fw[n_] := Mod[n, 3], fb[n_] := Mod[n, 2]; a(n) = a(n-a(n-1))+1+fw[n-a(n-2)]-fb[n-a(n-1)]. 1

%I

%S 0,1,3,3,2,5,2,7,1,4,3,3,4,5,5,5,5,5,6,7,7,8,6,5,7,9,6,8,9,8,7,10,8,

%T 11,7,10,9,10,12,10,9,10,9,8,12,12,9,15,11,14,10,11,10,8,12,10,12,14,

%U 14,12,13,13,15,14,12,8,15,13,12,16,14,15,15,16,17,17,14,14,14,10,15,18,14,18

%N Let fw[n_] := Mod[n, 3], fb[n_] := Mod[n, 2]; a(n) = a(n-a(n-1))+1+fw[n-a(n-2)]-fb[n-a(n-1)].

%C A modular chaotic recursive sequence with three functional parts.

%t fw[n_] := Mod[n, 3] fb[n_] := Mod[n, 2] f[0] = 0; f[1] = 1; f[n_] := f[n] = f[n - f[n - 1]] + 1 + fw[n - f[n - 2]] - fb[n - f[n - 1]] a = Table[f[n], {n, 0, 200}]

%K nonn

%O 0,3

%A _Roger L. Bagula_, Sep 20 2005

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Last modified December 13 22:55 EST 2019. Contains 329974 sequences. (Running on oeis4.)