a(n) = smallest number which can be expressed as sum of d consecutive positive integers in exactly n ways (where d>0 is a divisor of the number).

A082637

a(n) = smallest number which can be expressed as sum of d consecutive positive integers in exactly n ways (where d>0 is a divisor of the number).

Terms

    a(0) =1a(1) =6a(2) =15a(3) =45a(4) =135a(5) =378a(6) =315a(7) =630a(8) =945a(9) =1575a(10) =2205a(11) =3150a(12) =4095a(13) =3465a(14) =9450a(15) =6930a(16) =13860a(17) =10395a(18) =17955a(19) =17325a(20) =33075a(21) =31185a(22) =97020a(23) =62370a(24) =99225a(25) =45045a(26) =61425a(27) =51975a(28) =103950a(29) =143325

External references