Semiprimes such that sum of digits equals product of digits.

Terms

a(0) =4a(1) =6a(2) =9a(3) =22a(4) =123a(5) =213a(6) =321a(7) =1142a(8) =1214a(9) =1241a(10) =4121a(11) =11215a(12) =11521a(13) =12115a(14) =12151a(15) =21151a(16) =22121a(17) =51211a(18) =111261a(19) =112611a(20) =116121a(21) =116211a(22) =121161a(23) =162111a(24) =211611a(25) =261111a(26) =621111a(27) =1111217a(28) =1111413a(29) =1111431