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 A158781 #13 Feb 11 2023 08:12:41
%S A158781 1,1,0,1,1,0,6,0,1,1,0,23,0,23,0,1,1,0,76,0,230,0,76,0,1,1,0,237,0,
%T A158781 1682,0,1682,0,237,0,1,1,0,722,0,10543,0,23548,0,10543,0,722,0,1,1,0,
%U A158781 2179,0,60657,0,259723,0,259723,0,60657,0,2179,0,1,1,0,6552,0,331612,0,2485288
%N A158781 Triangle: A060187 with interspersed zeros.
%e A158781 {1},
%e A158781 {1, 0, 1},
%e A158781 {1, 0, 6, 0, 1},
%e A158781 {1, 0, 23, 0, 23, 0, 1},
%e A158781 {1, 0, 76, 0, 230, 0, 76, 0, 1},
%e A158781 {1, 0, 237, 0, 1682, 0, 1682, 0, 237, 0, 1},
%e A158781 {1, 0, 722, 0, 10543, 0, 23548, 0, 10543, 0, 722, 0, 1},
%e A158781 ...
%Y A158781 Cf. A060187.
%K A158781 nonn,tabf,less
%O A158781 0,7
%A A158781 _Roger L. Bagula_, Mar 26 2009