Largest n-digit term in A104179.

Terms

a(0) =7a(1) =73a(2) =773a(3) =7523a(4) =77323a(5) =753773a(6) =7732337a(7) =77323733a(8) =773337223a(9) =7773337223a(10) =77735235323a(11) =777352335323