Smallest number which can be represented as a sum of two distinct nontrivial powers in exactly n ways.

A390008

Smallest number which can be represented as a sum of two distinct nontrivial powers in exactly n ways.

Terms

    a(0) =12a(1) =36a(2) =153a(3) =468a(4) =1625a(5) =2628a(6) =12025a(7) =32045a(8) =27625a(9) =138125a(10) =430625a(11) =204425a(12) =160225a(13) =2010025a(14) =2348125a(15) =801125a(16) =1743625a(17) =2082925a(18) =4978025a(19) =4005625a(20) =12325625a(21) =30525625a(22) =27636050a(23) =5928325a(24) =13287625a(25) =46437625a(26) =45177925a(27) =35409725a(28) =120737825a(29) =52073125

External references