Composite and every divisor (except for 1) contains the digit 2.

Terms

a(0) =254a(1) =422a(2) =482a(3) =502a(4) =526a(5) =529a(6) =542a(7) =562a(8) =842a(9) =1042a(10) =1642a(11) =2042a(12) =2246a(13) =2258a(14) =2402a(15) =2426a(16) =2434a(17) =2446a(18) =2458a(19) =2462a(20) =2474a(21) =2498a(22) =2518a(23) =2554a(24) =2558a(25) =2566a(26) =2578a(27) =2582a(28) =2594a(29) =2642