Numbers k such that k and k+1 each have at least 5 distinct prime factors.

Terms

a(0) =254540a(1) =310155a(2) =378014a(3) =421134a(4) =432795a(5) =483405a(6) =486590a(7) =486794a(8) =488565a(9) =489345a(10) =507129a(11) =522444a(12) =545258a(13) =549185a(14) =558789a(15) =558830a(16) =567644a(17) =577940a(18) =584154a(19) =591260a(20) =598689a(21) =627095a(22) =634809a(23) =637329a(24) =663585a(25) =666995a(26) =667029a(27) =678755a(28) =687939a(29) =690234