Super-4 Numbers (4 * n^4 contains substring '4444' in its decimal expansion).

Terms

a(0) =1168a(1) =4972a(2) =7423a(3) =7752a(4) =8431a(5) =10267a(6) =11317a(7) =11487a(8) =11549a(9) =11680a(10) =16588a(11) =16664a(12) =16837a(13) =18257a(14) =18597a(15) =19784a(16) =19933a(17) =22217a(18) =22504a(19) =22819a(20) =22829a(21) =24078a(22) =24331a(23) =24514a(24) =25296a(25) =25698a(26) =26685a(27) =26738a(28) =27812a(29) =27973