a(n) = Sum_{k=1..n} prime(k)^4.

Terms

a(0) =16a(1) =97a(2) =722a(3) =3123a(4) =17764a(5) =46325a(6) =129846a(7) =260167a(8) =540008a(9) =1247289a(10) =2170810a(11) =4044971a(12) =6870732a(13) =10289533a(14) =15169214a(15) =23059695a(16) =35177056a(17) =49022897a(18) =69174018a(19) =94585699a(20) =122983940a(21) =161934021a(22) =209392342a(23) =272134583a(24) =360663864a(25) =464724265a(26) =577275146a(27) =708354747a(28) =849512908