Numbers k such that 12*k+1, 24*k+1, 36*k+1 and 72*k+1 are all prime.

Terms

a(0) =28a(1) =103a(2) =190a(3) =253a(4) =355a(5) =848a(6) =1328a(7) =1783a(8) =1898a(9) =1958a(10) =1988a(11) =2170a(12) =2213a(13) =3003a(14) =3533a(15) =3808a(16) =3913a(17) =3988a(18) =4450a(19) =4488a(20) =4593a(21) =4800a(22) =5460a(23) =5808a(24) =5853a(25) =6448a(26) =6545a(27) =6903a(28) =7103a(29) =7238