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 A076415 #10 Mar 30 2012 17:26:04
%S A076415 7,8,5,3,2,0,4,6,2,4,0,9,5,8,3,7,5,5,6,4,7,7,0,6,6,6,8,7,2,5,4,0,4,9,
%T A076415 7,9,0,3,2,2,3,0,4,1,7,3,9,9,0,6,7,4,6,1,4,8,4,1,3,3,7,3,0,8,5,1,0,5,
%U A076415 5,9,4,1,7,8,1,9,2,9,2,8,4,9,4,8,3,8,8,6,7,6,0,0,3,1,2,4,3,8,8,4,4,1,0,2,7
%N A076415 Decimal expansion of second solution of equation cos(x) cosh(x) = 1.
%C A076415 This is an equation related to a beam clumped at both ends: cos(x) cosh(x) = 1. The first three solutions are: 4.73 (A076414), 7.853 (this sequence) and 10.996 (A076416).
%H A076415 Z. Guede, I. Elishakov, <a href="http://dx.doi.org/10.1016/S0960-0779(00)00014-X">A fifth-order polynomial that serves as both..</a>, Chaos, Solitons and Fractals 12 (2001) 1267-1298.
%e A076415 cos(x) cosh(x) = 1, x = 7.8532...
%t A076415 RealDigits[x/.FindRoot[Cos[x] Cosh[x]==1,{x,5 Pi/2},WorkingPrecision->120]][[1]] (* Jean-Francois Alcover, Mar 14 2011 *)
%Y A076415 Cf. A076414, A076416.
%K A076415 easy,nonn,cons
%O A076415 1,1
%A A076415 _Zak Seidov_, Oct 10 2002