Nonprimes whose sum of digits is equal to its product of digits.

Terms

a(0) =1a(1) =4a(2) =6a(3) =8a(4) =9a(5) =22a(6) =123a(7) =132a(8) =213a(9) =231a(10) =312a(11) =321a(12) =1124a(13) =1142a(14) =1214a(15) =1241a(16) =1412a(17) =1421a(18) =2114a(19) =4112a(20) =4121a(21) =11125a(22) =11133a(23) =11152a(24) =11215a(25) =11222a(26) =11313a(27) =11331a(28) =11512a(29) =11521