First 4-digit number to appear n times in the decimal expansion of e.

Terms

a(0) =2718a(1) =1828a(2) =8793a(3) =8793a(4) =7093a(5) =7093a(6) =7093a(7) =7093a(8) =7093a(9) =7093a(10) =7093a(11) =7093a(12) =7093a(13) =7093a(14) =352a(15) =352a(16) =235a(17) =235a(18) =235a(19) =352a(20) =352a(21) =352a(22) =352a(23) =352a(24) =352a(25) =1661a(26) =352a(27) =352a(28) =352a(29) =352