Numbers k such that k is the average of four consecutive primes k-11, k-1, k+1 and k+11.

Terms

a(0) =420a(1) =1050a(2) =2028a(3) =2730a(4) =3582a(5) =4230a(6) =4242a(7) =4272a(8) =4338a(9) =6090a(10) =6132a(11) =6690a(12) =6792a(13) =8220a(14) =11058a(15) =11160a(16) =11970a(17) =12252a(18) =15288a(19) =19542a(20) =19698a(21) =21588a(22) =21600a(23) =26892a(24) =27540a(25) =28098a(26) =28308a(27) =29400a(28) =30840a(29) =30870