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A045936
Numbers n such that n through n+7 are divisible by the same number of distinct primes.
3
141, 212, 39693, 44360, 44361, 48919, 48920, 48921, 54349, 56014, 56015, 56791, 60044, 65721, 72650, 72651, 73292, 73293, 76581, 76582, 82324, 82325, 86331, 86332, 87758, 87759, 90092, 91814, 91815, 99843, 106249, 112142, 112143, 121594
OFFSET
1,1
LINKS
MATHEMATICA
npQ[n_]:=Length[Union[Length[FactorInteger[#]]&/@Range[n, n+7]]]==1
Select[Range[125000], npQ] (* Harvey P. Dale, Feb 23 2011 *)
KEYWORD
nonn
EXTENSIONS
Offset corrected by Amiram Eldar, Oct 26 2019
STATUS
approved