Consider the non-unitary aliquot parts, in ascending order, of a composite number. Take their sum and repeat the process deleting the minimum number and adding the previous sum. The sequence lists the numbers that after some iterations reach a sum equal to themselves.
A307859
Consider the non-unitary aliquot parts, in ascending order, of a composite number. Take their sum and repeat the process deleting the minimum number and adding the previous sum. The sequence lists the numbers that after some iterations reach a sum equal to themselves.
Terms
- a(0) =24a(1) =112a(2) =189a(3) =578a(4) =1984a(5) =2125a(6) =3993a(7) =5043a(8) =9583a(9) =19197a(10) =32512a(11) =126445a(12) =149565a(13) =175689a(14) =225578a(15) =236883a(16) =1589949a(17) =1862935a(18) =1928125a(19) =3171174a(20) =5860526a(21) =6149405a(22) =11442047a(23) =16731741a(24) =60634549a(25) =75062535a(26) =134201344a(27) =177816209a(28) =1162143369a(29) =4474779517
External references
- oeis: A307859