Initial prime in set of 4 consecutive primes with common difference 36.

Terms

a(0) =5321191a(1) =8606621a(2) =9148351a(3) =41675791a(4) =43251251a(5) =49820291a(6) =51825461a(7) =57791281a(8) =66637721a(9) =73114441a(10) =74055851a(11) =82584841a(12) =86801801a(13) =87620011a(14) =112161451a(15) =123720361a(16) =125810021a(17) =126265751a(18) =136413721a(19) =140969291a(20) =152777291a(21) =153348161