This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A076884 #12 Oct 16 2012 11:01:08 %S A076884 1,2,8,27,86,272,856,2691,8456,26567,83464,262212,823765,2587936, %T A076884 8130242,25541910,80242278,252088553,791959548,2488014300,7816327449, %U A076884 24555716893,77144059796,242355211525 %N A076884 Erroneous version of A134915. %C A076884 Original definition: Let u(0)=1, u(n) = Pi * floor(u(n-1)), then a(n) = u(n)/Pi. %C A076884 This is equivalent to a(n)=floor(u(n-1))=floor(Pi*a(n-1)), a(1)=1. So it should be A134915(n-1), but the given values do not correspond to that definition, as observed by H. P. Dale and R. Israel. - _M. F. Hasler_, Oct 15 2012 %F A076884 For n>1, a(n)=floor(c*Pi^n) where c=0.8912617965328349410297456126867992677088941847... %Y A076884 A115239 is the same sequence without the initial term 1. %Y A076884 A134915 has offset 1, but (should have) the same values according to the definition to this sequence. %K A076884 dead %O A076884 1,2 %A A076884 _Benoit Cloitre_, Nov 25 2002