Primes of the form (k - 1) * k * (k + 1) +- 1, k >= 1.

Terms

a(0) =5a(1) =7a(2) =23a(3) =59a(4) =61a(5) =211a(6) =337a(7) =503a(8) =719a(9) =991a(10) =1319a(11) =1321a(12) =2729a(13) =2731a(14) =3359a(15) =3361a(16) =4079a(17) =5813a(18) =6841a(19) =9239a(20) =9241a(21) =10627a(22) =12143a(23) =13799a(24) =15601a(25) =17551a(26) =24359a(27) =29759a(28) =29761a(29) =42839