Prime numbers p such that 2*p+1, p*(p + 1) - 1 and p*(p + 1) + 1 are also primes.

Terms

a(0) =2a(1) =3a(2) =5a(3) =41a(4) =89a(5) =131a(6) =743a(7) =761a(8) =3449a(9) =6173a(10) =9059a(11) =10781a(12) =11549a(13) =13553a(14) =14939a(15) =15569a(16) =16301a(17) =27809a(18) =33479a(19) =54773a(20) =55439a(21) =57149a(22) =70901a(23) =71849a(24) =76091a(25) =97523a(26) =103391a(27) =103643a(28) =104369a(29) =110543