Increasing blocks of digits of e.

Terms

a(0) =2a(1) =7a(2) =18a(3) =28a(4) =182a(5) =845a(6) =904a(7) =5235a(8) =36028a(9) =74713a(10) =526624a(11) =977572a(12) =4709369a(13) =9959574a(14) =96696762a(15) =7724076630a(16) =35354759457a(17) =138217852516a(18) =642742746639