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 A096233 #6 May 10 2013 12:45:34
%S A096233 2,26,264,2646,26464,264649,2646494,26464944,264649443,2646494434,
%T A096233 26464944348,264649443484,2646494434842,26464944348425,
%U A096233 264649443484250,2646494434842508,26464944348425087
%N A096233 Number of digits of the 10^n-th tribonacci number (A000073).
%C A096233 a(n)/10^n tends towards log[10](rho) = .26464944348425087191..., where rho is the real root of x^3-x^2-x-1 = 0. - _Vladeta Jovovic_, Sep 01 2004
%t A096233 rho=1/3*((19+3*Sqrt[33])^(1/3)+(19-3*Sqrt[33])^(1/3)+1); triboappr[n_]:=N[(rho-1)/(4rho-6)*rho^(n-3), 3000]; Table[MantissaExponent[triboappr[10^i]][[2]], {i, 1, 7}]
%Y A096233 Cf. A068070.
%K A096233 nonn,easy,base
%O A096233 0,1
%A A096233 _Michael Taktikos_, Aug 09 2004