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 A097346 #3 Mar 30 2012 18:58:56
%S A097346 1,2,9,24,170,240,2415,7000,30744,45360,741510,1108800,21673080,
%T A097346 32744712,49684635,151351200,3932288360,6028102080,176061013128,
%U A097346 271314186000,419047770960,648560072160,23130491854470,35929017476352
%N A097346 Numerators of a Fibonacci related transform of 1/(n+1).
%F A097346 a(n)=A003418(n)*sum{k=0..floor(n/2), binomial(n-k, k)/(k+1)}
%Y A097346 Cf. A097345.
%K A097346 easy,nonn,frac
%O A097346 0,2
%A A097346 _Paul Barry_, Aug 06 2004