Number of distinct integers of the form (x^n + y^n) mod n^4.

Terms

a(0) =1a(1) =9a(2) =45a(3) =35a(4) =325a(5) =95a(6) =931a(7) =259a(8) =1215a(9) =625a(10) =6171a(11) =627a(12) =12337a(13) =2210a(14) =14625a(15) =2049a(16) =32657a(17) =2435a(18) =58843a(19) =1683a(20) =11025a(21) =12105a(22) =140185a(23) =4883a(24) =40625a(25) =16055a(26) =32805a(27) =14586a(28) =236321a(29) =11875