Prime numbers with locations of right angle turns in the Ulam square spiral that are vertices of isosceles right triangles.

A270269

Prime numbers with locations of right angle turns in the Ulam square spiral that are vertices of isosceles right triangles.

Terms

    a(0) =3a(1) =5a(2) =7a(3) =31a(4) =37a(5) =43a(6) =8011a(7) =8101a(8) =8191a(9) =920641a(10) =921601a(11) =922561a(12) =3894703a(13) =3896677a(14) =3898651a(15) =5902471a(16) =5904901a(17) =5907331a(18) =7450171a(19) =7452901a(20) =7455631a(21) =7482961a(22) =7485697a(23) =7488433a(24) =36066031a(25) =36072037a(26) =36078043a(27) =37155121a(28) =37161217a(29) =37167313

External references