Primes in A126556.

Terms

a(0) =174737a(1) =224327a(2) =433813a(3) =541447a(4) =787243a(5) =969667a(6) =980081a(7) =1080787a(8) =1286581a(9) =1372979a(10) =1534513a(11) =1567037a(12) =1570649a(13) =1577189a(14) =1659673a(15) =1726993a(16) =1931291a(17) =2242883a(18) =2282041a(19) =2415557a(20) =2460827a(21) =3162503a(22) =3711047a(23) =4090787a(24) =4450373