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Numbers n such that n through n+4 are divisible by the same number of distinct primes.
6

%I #12 Jun 13 2022 19:55:13

%S 54,91,92,115,141,142,143,144,158,205,212,213,214,215,295,301,323,324,

%T 325,391,535,685,721,799,1135,1345,1465,1535,1711,1941,1981,2101,2215,

%U 2302,2303,2304,2425,2641,2664,2714,3865,3912,4411,5450,5461,6354,6505

%N Numbers n such that n through n+4 are divisible by the same number of distinct primes.

%H Amiram Eldar, <a href="/A045933/b045933.txt">Table of n, a(n) for n = 1..10000</a>

%t SequencePosition[PrimeNu[Range[7000]],{x_,x_,x_,x_,x_}][[All,1]] (* _Harvey P. Dale_, Jun 13 2022 *)

%Y Cf. A001221, A006049, A006073, A045932, A045934-A045938.

%K nonn

%O 1,1

%A _David W. Wilson_