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%I #9 Dec 15 2017 17:36:44
%S 5,44,429,4069,39433,388459,3855173,38374875,382644491,3819130611
%N Number of unattainables <= 10^n, where unattainables are A063425.
%H P. A. Loomis, <a href="http://facstaff.bloomu.edu/ploomis/sequences.html">An Interesting Family of Iterated Sequences</a>.
%H P. A. Loomis, <a href="http://facstaff.bloomu.edu/ploomis/itseq4.ps">An Introduction to Digit Product Sequences</a>, J. Rec. Math., 32 (2003-2004), 147-151.
%H P. A. Loomis, <a href="/A063108/a063108.pdf">An Introduction to Digit Product Sequences</a>, J. Rec. Math., 32 (2003-2004), 147-151. [Annotated archived copy]
%H <a href="/index/Coi#Colombian">Index entries for Colombian or self numbers and related sequences</a>
%Y Cf. A063114.
%K base,more,nonn
%O 1,1
%A _Jason Earls_, Jun 30 2004
%E a(9)-a(10) from _Donovan Johnson_, Jul 20 2010
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