Primes of the form (p*q+r*s)/2, where p,q,r,s are consecutive primes.

Terms

a(0) =89a(1) =149a(2) =233a(3) =907a(4) =3607a(5) =6577a(6) =13007a(7) =20771a(8) =27241a(9) =34631a(10) =72907a(11) =84737a(12) =110933a(13) =145177a(14) =213449a(15) =360007a(16) =463787a(17) =680633a(18) =746507a(19) =1192469a(20) =1695209a(21) =2205233a(22) =2643899a(23) =3125959a(24) =3261721a(25) =4888547a(26) =4995227a(27) =5716897a(28) =6095987a(29) =6656483