a(n) is the smallest number that is the sum of n positive 4th powers in three ways.

Terms

a(0) =811538a(1) =16578a(2) =4225a(3) =2676a(4) =2677a(5) =518a(6) =519a(7) =520a(8) =521a(9) =522a(10) =523a(11) =524a(12) =525a(13) =526a(14) =272a(15) =273a(16) =274a(17) =275a(18) =276a(19) =277a(20) =278a(21) =279a(22) =280a(23) =281a(24) =282a(25) =283a(26) =284a(27) =285a(28) =286a(29) =287