Upper prime of a difference of 20 between consecutive primes.

Terms

a(0) =907a(1) =1657a(2) =3109a(3) =3433a(4) =3967a(5) =5737a(6) =5923a(7) =6007a(8) =6823a(9) =7669a(10) =8263a(11) =8563a(12) =8803a(13) =8887a(14) =9277a(15) =10243a(16) =10453a(17) =10687a(18) =11047a(19) =11113a(20) =11197a(21) =11467a(22) =11617a(23) =11677a(24) =11887a(25) =12007a(26) =13147a(27) =13441a(28) =13669a(29) =14107