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 A090854 #10 Jun 06 2016 22:23:00 %S A090854 1,1,4,7,13,24,43,77,137,241,421,732,1266,2178,3733,6376,10858,18439, %T A090854 31237,52804,89082,150014,252206,423367,709697,1188136,1986730, %U A090854 3318386,5536857,9229483,15370775,25576584,42524547,70649205,117290710 %N A090854 a(n) is the least positive integer such that the integer part of the arithmetic-geometric mean of a(n) and 1 is equal to Fibonacci(n). %F A090854 floor( agm(a(n), 1) ) = Fibonacci(n), for n>=0. %Y A090854 Cf. A090852, A090853, A090855. %K A090854 nonn %O A090854 0,3 %A A090854 _Paul D. Hanna_, Dec 10 2003