Prime numbers that have a triangular Voronoi cell in the Voronoi diagram of the Ulam prime spiral.

Terms

a(0) =313a(1) =389a(2) =1283a(3) =1399a(4) =1669a(5) =1787a(6) =2087a(7) =2143a(8) =2713a(9) =2801a(10) =3469a(11) =4091a(12) =4787a(13) =4789a(14) =4903a(15) =4933a(16) =5867a(17) =6037a(18) =6869a(19) =8111a(20) =8627a(21) =9419a(22) =9439a(23) =11701a(24) =11971a(25) =12043a(26) =13229a(27) =13693a(28) =13829a(29) =14591