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 A072652 #3 Mar 30 2012 18:51:38 %S A072652 4,16,16,27,64,256,256,729,1024,3125,4096,4096,16384,19683,46656, %T A072652 65536,65536,65536,262144,531441,823543,1048576,1048576,4194304, %U A072652 9765625,14348907,16777216,16777216,16777216,67108864,268435456,268435456 %N A072652 Ordered solutions greater than 1 to b^c=c^d, with multiplicity. %C A072652 There are also infinite numbers of solutions giving 1, of the forms b^0=0^0, 1^c=c^0 and 1^1=1^d. %F A072652 See A072651 for calculation method. %e A072652 65536 appears three times because 256^2=2^16, 2^16=16^4 and 16^4=4^8 are all solutions, each coming to 65536. %Y A072652 Cf. A072651, A072653. %K A072652 nonn %O A072652 2,1 %A A072652 _Henry Bottomley_, Jun 28 2002