Numbers k such that k^2 divides A000073(k).

A274518

Numbers k such that k^2 divides A000073(k).

Terms

    a(0) =1a(1) =103a(2) =112a(3) =2621a(4) =30576a(5) =77168a(6) =694512a(7) =9919728a(8) =24770928a(9) =55638128a(10) =57268848a(11) =80995824a(12) =1300820976

External references