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 A056316 #10 Aug 22 2017 20:53:08 %S A056316 5,10,70,310,1620,7790,39370,195300,978050,4882740,24421870,122069940, %T A056316 610390620,3051757490,15258982680,76293945000,381470703120, %U A056316 1907348623450,9536748046870,47683715818440 %N A056316 Number of primitive (aperiodic) reversible strings with n beads using a maximum of five different colors. %C A056316 A string and its reverse are considered to be equivalent. %D A056316 M. R. Nester (1999). Mathematical investigations of some plant interaction designs. PhD Thesis. University of Queensland, Brisbane, Australia. [See A056391 for pdf file of Chap. 2] %F A056316 Sum mu(d)*A032122(n/d) where d|n. %Y A056316 Column 5 of A284871. %Y A056316 Cf. A045625. %K A056316 nonn %O A056316 1,1 %A A056316 _Marks R. Nester_