Numbers k such that k and k+1 both have the same number of squarefree divisors and powerful divisors.

A360904

Numbers k such that k and k+1 both have the same number of squarefree divisors and powerful divisors.

Terms

    a(0) =48a(1) =2511a(2) =5328a(3) =6723a(4) =7856a(5) =10287a(6) =15471a(7) =15632a(8) =16640a(9) =18063a(10) =20816a(11) =28592a(12) =33124a(13) =36368a(14) =38799a(15) =39600a(16) =40400a(17) =40816a(18) =54512a(19) =57121a(20) =60624a(21) =67472a(22) =75248a(23) =79375a(24) =83024a(25) =88047a(26) =93231a(27) =101168a(28) =119375a(29) =126927

External references