The larger member of a near-repdigit emirp pair.

Terms

a(0) =311a(1) =733a(2) =991a(3) =1511a(4) =1811a(5) =3433a(6) =3733a(7) =7717a(8) =7757a(9) =16111a(10) =79777a(11) =99989a(12) =112111a(13) =333323a(14) =334333a(15) =733333a(16) =778777a(17) =787777a(18) =911111a(19) =999199a(20) =1171111a(21) =3733333a(22) =9999299a(23) =11131111a(24) =11911111