A045937 -id:A045937 - cp's OEIS frontend

A045938 Numbers n such that n through n+9 are divisible by the same number of distinct primes.

48919, 184171, 218972, 218973, 320085, 320671, 343443, 353944, 397322, 403117, 435721, 492037, 526095, 526096, 526097, 526098, 526099, 534078, 534079, 534080, 583340, 607116, 636332, 693841, 701595, 761492, 822260, 919998, 942528

Offset: 1

David W. Wilson

nonn

Amiram Eldar, Table of n, a(n) for n = 1..10000

Cf. A001221, A006049, A006073, A045932-A045937.

Offset corrected by Amiram Eldar, Oct 26 2019

A045936 Numbers n such that n through n+7 are divisible by the same number of distinct primes.

Original entry on oeis.org

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

David W. Wilson

nonn

Amiram Eldar, Table of n, a(n) for n = 1..10000

Cf. A001221, A006049, A006073, A045932-A045935, A045937-A045938.

npQ[n_]:=Length[Union[Length[FactorInteger[#]]&/@Range[n,n+7]]]==1
Select[Range[125000],npQ]  (* Harvey P. Dale, Feb 23 2011 *)

Offset corrected by Amiram Eldar, Oct 26 2019

cp's OEIS Frontend

A045938 Numbers n such that n through n+9 are divisible by the same number of distinct primes.

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