Denominator of convergents to e - 1/e.

Terms

a(0) =1a(1) =2a(2) =3a(3) =17a(4) =20a(5) =117a(6) =254a(7) =371a(8) =1367a(9) =15408a(10) =47591a(11) =62999a(12) =299587a(13) =2759282a(14) =3058869a(15) =21112496a(16) =24171365a(17) =93626591a(18) =305051138a(19) =398677729a(20) =1899762054a(21) =4198201837a(22) =6097963891a(23) =10296165728a(24) =36986461075a(25) =47282626803a(26) =178834341484a(27) =762619992739a(28) =941454334223