Parent nodes of nonzero terms of A262509: a(n) = A049820(A262509(n)).

Terms

a(0) =119139a(1) =119143a(2) =119147a(3) =119213a(4) =119225a(5) =119919a(6) =119921a(7) =120073a(8) =120091a(9) =120095a(10) =120097a(11) =120277a(12) =120291a(13) =120347a(14) =120391a(15) =120703a(16) =120739a(17) =120883a(18) =120891a(19) =120895a(20) =120915a(21) =120917a(22) =121435a(23) =121543a(24) =121819a(25) =122075a(26) =122257a(27) =122261a(28) =122271a(29) =122273