Primes of the form (n+1)^3 - n^2.

Terms

a(0) =7a(1) =23a(2) =109a(3) =191a(4) =307a(5) =463a(6) =919a(7) =1231a(8) =1607a(9) =2053a(10) =4657a(11) =7639a(12) =8861a(13) =34913a(14) =41719a(15) =53503a(16) =77743a(17) =89189a(18) =95311a(19) =122599a(20) =138007a(21) =146173a(22) =182057a(23) =223381a(24) =246203a(25) =353011a(26) =383833a(27) =416399a(28) =433351a(29) =468623