q such that p^4 + q^4 = r^4 + s^4 = a(n).

Terms

a(0) =59a(1) =7a(2) =193a(3) =271a(4) =103a(5) =222a(6) =76a(7) =878a(8) =1324a(9) =1042a(10) =248a(11) =1034a(12) =1577a(13) =1623a(14) =661a(15) =3364a(16) =2694a(17) =604a(18) =2027a(19) =274a(20) =2707a(21) =498a(22) =1259a(23) =5181a(24) =1657a(25) =6262a(26) =4903a(27) =5098a(28) =635a(29) =1104