Numbers k such that k and k+1 are both primitive Zumkeller numbers (A180332).

A361934

Numbers k such that k and k+1 are both primitive Zumkeller numbers (A180332).

Terms

    a(0) =82004a(1) =84524a(2) =158235a(3) =516704a(4) =2921535a(5) =5801984a(6) =10846016a(7) =12374144a(8) =12603824a(9) =18738224a(10) =24252074a(11) =24887655a(12) =25691984a(13) =32409530a(14) =33696975a(15) =35356544a(16) =36149295a(17) =41078114a(18) =42541190a(19) =43485584

External references