Zeroless nonprimes that remain nonprime if any digit is deleted.

Terms

a(0) =14a(1) =16a(2) =18a(3) =44a(4) =46a(5) =48a(6) =49a(7) =64a(8) =66a(9) =68a(10) =69a(11) =81a(12) =84a(13) =86a(14) =88a(15) =91a(16) =94a(17) =96a(18) =98a(19) =99a(20) =122a(21) =124a(22) =125a(23) =126a(24) =128a(25) =142a(26) =144a(27) =145a(28) =146a(29) =148