Number of primes between successive powers of e (= 2.718281828...).

Terms

a(0) =1a(1) =3a(2) =4a(3) =8a(4) =18a(5) =45a(6) =104a(7) =246a(8) =590a(9) =1447a(10) =3582a(11) =8864a(12) =22216a(13) =55989a(14) =141738a(15) =360486a(16) =920892a(17) =2360953a(18) =6073160a(19) =15664216a(20) =40510215a(21) =105017120a(22) =272821646a(23) =710143301a(24) =1851830021a(25) =4836984396a(26) =12653549540a(27) =33148606878a(28) =86954036990a(29) =228373959896