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%I #25 Aug 17 2020 06:03:35
%S 3,3,3,4,4,4,4,5,5,4,6,6,6,7,6,7,7,8,8
%N Number of nonzero digits in A134847(n).
%H J. Browkin, <a href="https://web.archive.org/web/20071220044826/http://www.impan.gov.pl/Kryptologia/GROEB1.pdf">Groebner basis</a> (in Polish).
%Y Cf. A134843, A134844, A134845, A134846, A134847.
%K nonn,base,more
%O 1,1
%A _Artur Jasinski_, Nov 13 2007
%E a(11)-a(15) from _Lars Blomberg_, Jun 25 2011
%E a(16)-a(19) (using A134847 bfile) from _Michel Marcus_, Aug 17 2020