A048432 - OEIS

%I #14 Jun 18 2021 01:12:13

%S 4,141,323,323,667766,1175711,42599524,66411466,158191851,15980308951,

%T 432647746234,1516290926151,44553611635544,65937388373956,

%U 279311626113972,2380289449820832,2380289449820832,705000799997000507

%N Smallest denominator of fraction using palindromes that approximates 'e' to at least n digits after the decimal point.

%e n=14: 121109272901121/65937388373956 = 2.71828182845904... correct to 14 digits after the decimal point.

%Y Numerators in A048431.

%Y Cf. A001113 (e).

%K nonn,frac,base,more

%O 1,1

%A _Patrick De Geest_, Apr 15 1999

%E a(15)-a(18) from _Sean A. Irvine_, Jun 17 2021