n plus the n-th prime gives a fourth power.

Terms

a(0) =5a(1) =503a(2) =9229a(3) =53132a(4) =1077614a(5) =5673932a(6) =12335313a(7) =18002978a(8) =89720978a(9) =93036654a(10) =133588773a(11) =167057609a(12) =200368277a(13) =266488037a(14) =270168848a(15) =300988608a(16) =379786284a(17) =693620392a(18) =954150797a(19) =1585905060a(20) =1957585697a(21) =2039039592a(22) =2280501932