Self-describing semiprimes.

Terms

a(0) =22a(1) =10183133a(2) =10183331a(3) =10213223a(4) =10313317a(5) =10322123a(6) =10331831a(7) =10331931a(8) =10333117a(9) =12183133a(10) =12183331a(11) =12193331a(12) =12311033a(13) =12311633a(14) =12311833a(15) =12313318a(16) =12331031a(17) =12333115a(18) =12333119a(19) =14103331a(20) =14153331a(21) =14163133a(22) =14173133a(23) =14183133a(24) =14193331a(25) =14311533a(26) =14311633