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A095096
Fibevil numbers: those numbers k for which the parity of 1-fibits in Zeckendorf expansion A014417(k) is even, i.e., for which A095076(k) = 0.
12
0, 4, 6, 7, 9, 10, 11, 14, 15, 16, 18, 22, 23, 24, 26, 29, 33, 35, 36, 37, 39, 42, 46, 47, 51, 53, 54, 56, 57, 58, 60, 63, 67, 68, 72, 74, 75, 76, 80, 82, 83, 85, 86, 87, 90, 91, 92, 94, 97, 101, 102, 106, 108, 109, 110, 114, 116, 117, 119, 120, 121, 123, 127, 129
OFFSET
1,2
LINKS
MAPLE
A095096 := proc(n)
option remember;
local a;
if n =1 then
0;
else
for a from procname(n-1)+1 do
if A095076(a) = 0 then
return a;
end if;
end do:
end if;
end proc:
seq(A095096(n), n=1..60) ; # R. J. Mathar, Sep 22 2020
MATHEMATICA
Flatten @ Position[Mod[DigitCount[Select[Range[0, 1000], BitAnd[#, 2 #] == 0 &], 2, 1], 2], 0] - 1 (* Amiram Eldar, Feb 05 2023 *)
CROSSREFS
Characteristic function: A095111.
Complement of A020899.
Cf. A001969 (evil numbers), A014417, A095076, A095084 (fibevil primes).
Sequence in context: A144222 A010414 A254122 * A179242 A104425 A345447
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jun 01 2004
EXTENSIONS
Changed offset to 1. - N. J. A. Sloane, Sep 12 2020
STATUS
approved