Primes having only {1, 5, 8} as digits.

Terms

a(0) =5a(1) =11a(2) =151a(3) =181a(4) =811a(5) =881a(6) =1151a(7) =1181a(8) =1511a(9) =1811a(10) =5581a(11) =5851a(12) =5881a(13) =8111a(14) =8581a(15) =11551a(16) =15511a(17) =15551a(18) =15581a(19) =15881a(20) =18181a(21) =51151a(22) =51511a(23) =51551a(24) =51581a(25) =55511a(26) =58111a(27) =58151a(28) =58511a(29) =81181