%I #17 Feb 06 2022 18:17:29
%S 1,1,2,3,9,70,117,503,648,1078,12868,41235,178650,377670,394301,
%T 546185,2600672,8729780,41318679,83367169,525961060,561571346,
%U 1556964264,1868773845,15139200289,27297789005,30324107039,56699922000
%N Engel series expansion (or "Egyptian product") for Khintchine's constant.
%D Steven R. Finch, Mathematical Constants, Cambridge, 2003, pp. 59-65.
%H Steven R. Finch, <a href="http://www.people.fas.harvard.edu/~sfinch/constant/khntchn/khntchn.html">Khintchine's Constant</a> [Broken link]
%H Steven R. Finch, <a href="http://web.archive.org/web/20011108021950/http://www.mathsoft.com/asolve/constant/khntchn/khntchn.html">Khintchine's Constant</a> [From the Wayback machine]
%H <a href="/index/El#Engel">Index entries for sequences related to Engel expansions</a>
%Y Cf. A002210, A006784, A028254, A028257.
%K nonn
%O 0,3
%A _Jeppe Stig Nielsen_, Apr 09 2000