Prime numbers in A317298.

Terms

a(0) =3a(1) =11a(2) =37a(3) =79a(4) =137a(5) =211a(6) =821a(7) =991a(8) =1597a(9) =1831a(10) =2081a(11) =2347a(12) =2927a(13) =3571a(14) =3917a(15) =4657a(16) =5051a(17) =6329a(18) =8779a(19) =9871a(20) =11027a(21) =14197a(22) =14879a(23) =17021a(24) =20101a(25) =21737a(26) =26107a(27) =27967a(28) =28921a(29) =33931