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 A144833 Lucas numbers with an equal number of odd and even digits. 2
 18, 29, 47, 76, 1364, 271443, 710647, 12752043, 20633239, 33385282, 54018521, 2537720636, 62113250390418, 1803423556807921, 221806434537978679, 667714778405043259651218, 31368381450514812615027603 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Harvey P. Dale, Table of n, a(n) for n = 1..126 EXAMPLE 54018521 is a Lucas number with an equal number of odd and even digits. MATHEMATICA fQ[n_] := Block[{id = IntegerDigits@ n}, Length@ Select[id, OddQ@ # &] == Length@ id/2]; lst = {}; Do[ lu = LucasL@ n; If[ fQ@ lu, AppendTo[lst, lu]], {n, 300}]; lst (* Robert G. Wilson v, Sep 24 2008 *) Select[LucasL[Range[150]], Count[IntegerDigits[#], _?OddQ] == Count[ IntegerDigits[ #], _?EvenQ]&] (* Harvey P. Dale, Dec 21 2016 *) CROSSREFS Cf. A000032, A144205, A144226. Sequence in context: A259642 A045000 A205871 * A259635 A032612 A151700 Adjacent sequences:  A144830 A144831 A144832 * A144834 A144835 A144836 KEYWORD nonn,base AUTHOR Parthasarathy Nambi, Sep 22 2008 EXTENSIONS More terms from Robert G. Wilson v, Sep 24 2008 STATUS approved

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Last modified October 20 21:32 EDT 2020. Contains 337910 sequences. (Running on oeis4.)