Numbers m with property that m-th triangular number is a sum of divisors of some k-th triangular number (A175849).

A175850

Numbers m with property that m-th triangular number is a sum of divisors of some k-th triangular number (A175849).

Terms

    a(0) =1a(1) =13a(2) =12a(3) =384a(4) =575a(5) =783a(6) =4095a(7) =4607a(8) =4095a(9) =6912a(10) =12543a(11) =13824a(12) =16895a(13) =21504a(14) =20735a(15) =27264a(16) =40959a(17) =68256a(18) =76544a(19) =104832a(20) =175104a(21) =130559a(22) =146432a(23) =180224a(24) =129024a(25) =202239a(26) =316224a(27) =328320a(28) =372735a(29) =395199

External references