Primes followed by a gap of 120.

Terms

a(0) =1895359a(1) =2898239a(2) =6085441a(3) =7160227a(4) =7784039a(5) =7803491a(6) =7826899a(7) =8367397a(8) =8648557a(9) =9452959a(10) =10052071a(11) =10863973a(12) =11630503a(13) =11962823a(14) =12109697a(15) =12230233a(16) =12415681a(17) =14411737a(18) =14531899a(19) =15014557a(20) =15020737a(21) =15611909a(22) =16179041