OFFSET
1,1
COMMENTS
Or a(n) is odd number such that the polynomial x^2 - (a(n)+3)*x + 3*a(n) has odious coefficients and evil roots.
3*a(n) is in the A224072.
MATHEMATICA
evilQ[n_]:=EvenQ[DigitCount[n, 2][[1]]]; odiousQ[n_]:=OddQ[DigitCount[n, 2][[1]]]; Select[Range[3000], OddQ[#] && evilQ[#] && odiousQ[3#] && odiousQ[#+3]&] (* Peter J. C. Moses, Oct 19 2013 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Vladimir Shevelev, Oct 19 2013
EXTENSIONS
More terms from Peter J. C. Moses, Oct 19 2013
STATUS
approved