Numbers m such that each of the four consecutive integers m, m+1, m+2, m+3 has squarefree rank 1.

Terms

a(0) =17a(1) =241a(2) =242a(3) =1249a(4) =4049a(5) =4799a(6) =17297a(7) =120049a(8) =206081a(9) =281249a(10) =388961a(11) =470447a(12) =538721a(13) =1462049a(14) =1566449a(15) =1808801a(16) =1916881a(17) =3302449a(18) =3302450a(19) =3693761a(20) =3959297a(21) =5385761a(22) =5664976a(23) =6118001a(24) =6986321a(25) =9305297a(26) =10479041a(27) =14268481a(28) =16831601a(29) =20110481