First of four consecutive primes p,q,r,s such that p+q+r+s is divisible by A001414(r+s).

Terms

a(0) =5a(1) =11a(2) =13a(3) =97a(4) =101a(5) =109a(6) =277a(7) =293a(8) =389a(9) =653a(10) =739a(11) =863a(12) =1019a(13) =1297a(14) =1319a(15) =1321a(16) =1481a(17) =1759a(18) =1979a(19) =2293a(20) =2557a(21) =2719a(22) =3209a(23) =3511a(24) =3889a(25) =3947a(26) =5419a(27) =5701a(28) =5987a(29) =6079