Numbers k such that 4*k + {1, 3, 7, 9, 13, 19} are all prime.

Terms

a(0) =1a(1) =370a(2) =41425a(3) =81535a(4) =255625a(5) =267175a(6) =311590a(7) =365350a(8) =1054570a(9) =1381750a(10) =2533600a(11) =2975125a(12) =3266080a(13) =3930205a(14) =4684210a(15) =4782385a(16) =4802860a(17) =5940850a(18) =6414610a(19) =7986565a(20) =8429245a(21) =8570470a(22) =8636305a(23) =8810080a(24) =9270715a(25) =9857980a(26) =10459525a(27) =13708225a(28) =13917490a(29) =15127720