Primes from the decimal expansion of e, sorted first by the final digit index and then by length.

Terms

a(0) =2a(1) =7a(2) =71a(3) =271a(4) =2a(5) =281a(6) =2718281a(7) =2a(8) =5a(9) =59a(10) =5a(11) =2a(12) =3a(13) =23a(14) =523a(15) =4523a(16) =904523a(17) =5a(18) =3a(19) =53a(20) =353a(22) =2a(23) =7a(24) =360287a(26) =7a(27) =47a(28) =8747a(29) =6028747a(31) =71a(32) =360287471