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A179252
Numbers that have 12 terms in their Zeckendorf representation.
11
75024, 103681, 114627, 118808, 120405, 121015, 121248, 121337, 121371, 121384, 121389, 121391, 121392, 150049, 160995, 165176, 166773, 167383, 167616, 167705, 167739, 167752, 167757, 167759, 167760, 178706, 182887, 184484, 185094, 185327, 185416, 185450, 185463
OFFSET
1,1
LINKS
EXAMPLE
75024 = 1 + 3 + 8 + 21 + 55 + 144 + 377 + 987 + 2584 + 6765 + 17711 + 46368;
103681 = 1 + 3 + 8 + 21 + 55 + 144 + 377 + 987 + 2584 + 6765 + 17711 + 75025.
MAPLE
with(combinat): B := proc (n) local A, ct, m, j: A := proc (n) local i: for i while fibonacci(i) <= n do n-fibonacci(i) end do end proc: ct := 0: m := n: for j while 0 < A(m) do ct := ct+1: m := A(m) end do: ct+1 end proc: Q := {}: for i from fibonacci(25)-1 to 180000 do if B(i) = 12 then Q := `union`(Q, {i}) else end if end do: Q;
MATHEMATICA
Reap[For[m = 0; k = 1, k <= 10^8, k++, If[BitAnd[k, 2 k] == 0, m++; If[DigitCount[k, 2, 1] == 12, Print[m]; Sow[m]]]]][[2, 1]] (* Jean-François Alcover, Aug 20 2023 *)
KEYWORD
nonn
AUTHOR
Emeric Deutsch, Jul 05 2010
STATUS
approved