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 A061174 #3 Mar 31 2012 13:20:05 %S A061174 15,545,7043,57560,365045,1970905,9520315,42385132,177293730, %T A061174 705980760,2701362950,10001654350,36020160943,126701700755, %U A061174 436709397085,1478813477920,4930328078835,16212542696607 %N A061174 Fifth column of Lucas bisection triangle (odd part). %C A061174 Numerator of g.f. is row polynomial sum(A061187(4,m)*x^m,m=0..7). %F A061174 a(n)=A060924(n+4, 4). %F A061174 G.f.: (3-2*x)*(16*x^6-56*x^5+181*x^4-306*x^3+171*x^2+110*x+5)/(1-3*x+x^2)^5. %Y A061174 Cf. A002548, 2*A061171, A061172, 4*A061173. %K A061174 nonn,easy %O A061174 0,1 %A A061174 _Wolfdieter Lang_, Apr 20 2001