Prime(n-1) such that prime(n-1)+5 is square and equal to prime(n+1)-1.

Terms

a(0) =11a(1) =191a(2) =495611a(3) =1628171a(4) =1893371a(5) =7806431a(6) =14167691a(7) =15085451a(8) =16048031a(9) =20124191a(10) =23951231a(11) =27415691a(12) =28558331a(13) =30096191a(14) =41396351a(15) =46022651a(16) =55591931a(17) =87871871a(18) =88811771a(19) =99720191a(20) =103347551a(21) =130051211a(22) =139617851a(23) =152670731a(24) =181333151a(25) =198922811a(26) =222427391