Numbers k such that k and k+5 are 5-almost primes.

Terms

a(0) =675a(1) =1323a(2) =1372a(3) =1480a(4) =1750a(5) =1875a(6) =2295a(7) =2920a(8) =3100a(9) =3856a(10) =4095a(11) =4120a(12) =4180a(13) =4275a(14) =4375a(15) =5175a(16) =5427a(17) =5643a(18) =5775a(19) =5980a(20) =6370a(21) =6375a(22) =6520a(23) =6723a(24) =6820a(25) =7150a(26) =7155a(27) =7203a(28) =7240a(29) =7245