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 A090242 #16 Jul 05 2022 11:39:34 %S A090242 0,1,1,2,9,125,32768,815730721,154472377739119461, %T A090242 144896287389534090178492559785984, %U A090242 148707010444932320126692907511838968493975698947906494140625,164607782908174441344270105333730757465593941470198419854718194253607242940724175602015628380155976898641449 %N A090242 a(n) = F(n)^F(n-1), where F is the Fibonacci sequence A000045. %e A090242 a(5) = 5^3 = 125. %t A090242 Last[#]^First[#]&/@Partition[Fibonacci[Range[-1,12]],2,1] (* _Harvey P. Dale_, Apr 16 2011 *) %Y A090242 Cf. A000045, A008973, A090241. %K A090242 easy,nonn %O A090242 0,4 %A A090242 _Felix Tubiana_, Jan 23 2004 %E A090242 Edited by _N. J. A. Sloane_, Sep 19 2007