Primes that are not the sum of 3 hexagonal numbers.

Terms

a(0) =5a(1) =11a(2) =19a(3) =23a(4) =37a(5) =41a(6) =53a(7) =59a(8) =83a(9) =89a(10) =113a(11) =131a(12) =167a(13) =173a(14) =179a(15) =229a(16) =251a(17) =269a(18) =293a(19) =313a(20) =317a(21) =383a(22) =389a(23) =439a(24) =443a(25) =509a(26) =599a(27) =641a(28) =683a(29) =859