a(n) is least prime p such that 7 is the n-th term in the Euclid-Mullin sequence starting at p, or 0 if no such prime p exists.

A094153

a(n) is least prime p such that 7 is the n-th term in the Euclid-Mullin sequence starting at p, or 0 if no such prime p exists.

Terms

    a(0) =7a(1) =0a(2) =2a(3) =43a(4) =11a(5) =13a(6) =31a(7) =149a(8) =347a(9) =23a(10) =439a(11) =223a(12) =461a(13) =173a(14) =5a(15) =71a(16) =197a(17) =1153a(18) =191a(19) =307a(20) =1657a(21) =971a(22) =9473a(23) =19a(24) =2399a(25) =1607a(26) =6781a(27) =89a(28) =9187a(29) =281

External references