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 A073363 #4 Mar 30 2012 18:36:32 %S A073363 1,7,28,84,175,421,847,1288,1939,3780,5656,9247,15148,22099,25375, %T A073363 39676,54607,75208,90559,129360,166321,209832,240268,320719,399595, %U A073363 536956,672672,816733,906444,1115275,1321741,1595832,1908088,2323944 %N A073363 Nested floor product of n and fractions (k+1)/k for all k>0 (mod 6), divided by 6. %C A073363 When is a(n) not divisible by 7? %F A073363 a(n)=(1/6)[...[[[[[[n(2/1)](3/2)](4/3)](5/4)](6/5)](8/7]...(k+1)/k]..., k>0 (mod 6), where [x] = floor of x; this infinite nested floor product will eventually level-off at a(n). %e A073363 a(1)=1 since (1/6)[[[[1(2/1)](3/2)](4/3)](5/4)](6/5)]=1 %Y A073363 Cf. A073359, A073360, A073361, A073362. %K A073363 easy,nonn %O A073363 1,2 %A A073363 _Paul D. Hanna_, Jul 29 2002