Triangular numbers k whose divisors can be partitioned into three disjoint sets whose sums are all sigma(k)/3.
A206025
Triangular numbers k whose divisors can be partitioned into three disjoint sets whose sums are all sigma(k)/3.
Terms
- a(0) =120a(1) =780a(2) =2016a(3) =3240a(4) =4560a(5) =5460a(6) =7140a(7) =7260a(8) =9180a(9) =10296a(10) =10440a(11) =12720a(12) =19110a(13) =21528a(14) =23220a(15) =26796a(16) =28680a(17) =28920a(18) =32640a(19) =34980a(20) =37128a(21) =39060a(22) =41328a(23) =49770a(24) =51360a(25) =56280a(26) =61776a(27) =64620a(28) =64980a(29) =73920
External references
- oeis: A206025