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 A131334 #2 Mar 30 2012 17:25:22 %S A131334 1,0,1,1,0,1,0,1,1,1,1,0,2,1,1,0,1,2,2,2,1,1,0,3,2,4,2,1,0,1,3,3,6,4, %T A131334 3,1,1,0,4,3,9,6,7,3,1,0,1,4,4,12,9,13,7,4,1 %N A131334 A000012(signed) * A065941. %C A131334 Row sums = Fibonacci numbers. %F A131334 A000012(signed by columns, + - + -...) * A065941. %e A131334 First few rows of the triangle are: %e A131334 1; %e A131334 0, 1; %e A131334 1, 0, 1; %e A131334 0, 1, 1, 1; %e A131334 1, 0, 2, 1, 1; %e A131334 0, 1, 2, 2, 2, 1; %e A131334 1, 0, 3, 2, 4, 2, 1; %e A131334 0, 1, 3, 3, 6, 4, 3, 1; %e A131334 1, 0, 4, 3, 9, 6, 7, 3, 1; %e A131334 ... %Y A131334 Cf. A131332, A131333, A131335, A131336. %K A131334 nonn,tabl %O A131334 1,13 %A A131334 _Gary W. Adamson_, Jun 29 2007