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A044871
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Positive integers having the same number of base-15 runs of odd length as even.
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1
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225, 240, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 257, 273, 289, 305, 321, 337, 353, 369, 385, 401, 417, 433, 449, 450, 466, 480, 481, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 498
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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b15rQ[n_]:=Module[{r=Length/@Split[IntegerDigits[n, 15]]}, Count[r, _?OddQ]==Length[r]/2]; Select[Range[8000], b15rQ] (* Vincenzo Librandi, Jan 18 2017 *)
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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