OFFSET
1
EXAMPLE
MATHEMATICA
r=3^(1/2); u[n_] := Floor[n*r]; (*A022838*)
a[1] = 0; h = 128;
c = (u[#1] &) /@ Range[2h];
d = (Complement[Range[Max[#1]], #1] &)[c]; (*A054406*)
Table[a[d[[n]]] = 1 - a[n], {n, 1, h - 1}]; (*A189084*)
Table[a[c[[n]]] = a[n], {n, 1, h}] (*A189084*)
Flatten[Position[%, 0]] (*A189085*)
Flatten[Position[%%, 1]] (*A189086*)
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Apr 16 2011
STATUS
approved