First member of a prime quadruple in a 2p-1 progression.

Terms

a(0) =1531a(1) =2131a(2) =2311a(3) =3061a(4) =6211a(5) =6841a(6) =7411a(7) =10321a(8) =13681a(9) =15391a(10) =16651a(11) =18121a(12) =22531a(13) =23011a(14) =24391a(15) =29671a(16) =30781a(17) =31771a(18) =33301a(19) =35311a(20) =41491a(21) =44371a(22) =46411a(23) =54601a(24) =56311a(25) =57991a(26) =60331a(27) =61381a(28) =66601a(29) =67651