p^2-p-1 that is not prime, where p is prime.

Terms

a(0) =1a(1) =155a(2) =341a(3) =505a(4) =1331a(5) =1639a(6) =1805a(7) =2755a(8) =3421a(9) =5255a(10) =6161a(11) =6805a(12) =7831a(13) =10505a(14) =11341a(15) =11771a(16) =12655a(17) =18631a(18) =22649a(19) =24491a(20) =26405a(21) =27721a(22) =29755a(23) =31861a(24) =36289a(25) =37055a(26) =39401a(27) =44309a(28) =49505a(29) =51301