Starts of runs of 4 consecutive numbers that have mutually distinct exponents in their prime factorization (A130091).

A342030

Starts of runs of 4 consecutive numbers that have mutually distinct exponents in their prime factorization (A130091).

Terms

    a(0) =1a(1) =2a(2) =16a(3) =17a(4) =47a(5) =96a(6) =241a(7) =242a(8) =575a(9) =1249a(10) =2644a(11) =2645a(12) =4049a(13) =4372a(14) =4373a(15) =4799a(16) =9124a(17) =12248a(18) =33749a(19) =72250a(20) =120049a(21) =130436a(22) =281249a(23) =303748a(24) =1431124a(25) =1431125a(26) =1531250a(27) =2101247a(28) =3693761a(29) =4085656

External references