Primes of the form k^3+3*k+1.

Terms

a(0) =5a(1) =37a(2) =757a(3) =1031a(4) =2237a(5) =6917a(6) =22037a(7) =27091a(8) =36037a(9) =117797a(10) =157627a(11) =166541a(12) =262337a(13) =422101a(14) =474787a(15) =493277a(16) =729271a(17) =1643387a(18) =1728361a(19) =1906997a(20) =2147077a(21) =2460781a(22) =2628487a(23) =2686037a(24) =3242237a(25) =3375451a(26) =4020157a(27) =4742137a(28) =5268547a(29) =5359901