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A339551
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Starts of runs of 3 consecutive numbers with the same product of the binary weights of their divisors (A339549).
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0
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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MATHEMATICA
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f[n_] := Times @@ (DigitCount[#, 2, 1] & /@ Divisors[n]); s = {}; m = 3; fs = f /@ Range[m]; Do[If[Equal @@ fs, AppendTo[s, n - m]]; fs = Rest @ AppendTo[fs, f[n]], {n, m + 1, 5*10^9}]; s
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CROSSREFS
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KEYWORD
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nonn,base,more
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AUTHOR
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STATUS
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approved
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