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Search: id:A144833
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| A144833 |
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Lucas numbers containing equal number of odd and even digits. |
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+0
2
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| 18, 29, 47, 76, 1364, 271443, 710647, 12752043, 20633239, 33385282, 54018521, 2537720636, 62113250390418, 1803423556807921, 221806434537978679, 667714778405043259651218, 31368381450514812615027603
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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54018521 is a Lucas number that contains equal number of odd and even digits.
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MATHEMATICA
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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 [From Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 24 2008]
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CROSSREFS
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A000032, A144205, A144226
Sequence in context: A063840 A167333 A045000 this_sequence A032612 A151700 A154367
Adjacent sequences: A144830 A144831 A144832 this_sequence A144834 A144835 A144836
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KEYWORD
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nonn
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AUTHOR
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Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Sep 22 2008
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EXTENSIONS
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More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 24 2008
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