Larger of a non-unitary amicable pair.

Terms

a(0) =56a(1) =248a(2) =328a(3) =496a(4) =1016a(5) =2032a(6) =6462a(7) =8128a(8) =17412a(9) =20538a(10) =65528a(11) =131056a(12) =524224a(13) =1048568a(14) =2097136a(15) =2096896a(16) =4194296a(17) =8388592a(18) =8388544a(19) =33554368a(20) =33554176a(21) =134217472a(22) =2147467264a(23) =8589918208