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Decimal expansion of the sum of the reciprocals of the highly composite numbers.
4

%I #27 Mar 18 2022 00:23:17

%S 2,1,3,2,8,7,2,8,2,3,5,2,5,8,1,2,0,1,0,3,4,3,8,7,8,4,1,1,8,3,0,5,1,8,

%T 7,7,9,0,7,2,8,8,8,0,6,8,9,5,9,3,3,7,0,5,4,3,2,0,3,3,0,8,7,4,3,7,3,7,

%U 8,5,9,9,2,4,0,9,3,3,7,7,0,9,2,1,7,9,9,0,3,0,6,5,3,2,5,6,1,1,9,2,0,0,2,7,7,0,4

%N Decimal expansion of the sum of the reciprocals of the highly composite numbers.

%H Johan Lindgren, <a href="/A352418/b352418.txt">Table of n, a(n) for n = 1..1100</a>

%F Equals Sum_{n>=1} 1/A002182(n).

%e 1/1 + 1/2 + 1/4 + 1/6 + 1/12 + 1/24 + 1/36 + 1/48 + ... =

%e 2.13287282352581201034387841183051877907288806895933...

%Y Cf. A002182.

%K nonn,cons

%O 1,1

%A _Johan Lindgren_, Mar 15 2022