Numbers k such that 100k+1, 100k+3, 100k+7, 100k+9 are all primes.

Terms

a(0) =1a(1) =130a(2) =253a(3) =1222a(4) =1657a(5) =2437a(6) =2476a(7) =3589a(8) =5188a(9) =5395a(10) =6073a(11) =9763a(12) =10063a(13) =10225a(14) =10687a(15) =11176a(16) =11677a(17) =13297a(18) =13399a(19) =13522a(20) =13588a(21) =14008a(22) =14470a(23) =14614a(24) =16168a(25) =16276a(26) =16531a(27) =16591a(28) =20164a(29) =20620