Average of amicable pairs (x,y), ordered by the sum x+y given in A259953.

Terms

a(0) =252a(1) =1197a(2) =2772a(3) =5292a(4) =6300a(5) =10800a(6) =13440a(7) =17856a(8) =66960a(9) =69120a(10) =69552a(11) =78624a(12) =84240a(13) =112320a(14) =122760a(15) =131040a(16) =147420a(17) =155520a(18) =174096a(19) =178560a(20) =194400a(21) =199584a(22) =322812a(23) =349272a(24) =374976a(25) =378000a(26) =446400a(27) =477603a(28) =508896a(29) =524160