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 A281446 #14 Sep 15 2017 19:39:09
%S A281446 1,0,1,0,1,1,0,5,1,1,0,34,6,1,1,0,535,39,6,1,1,0,20848,584,40,6,1,1,0,
%T A281446 2120098,21553,589,40,6,1,1,0,572849763,2144216,21602,590,40,6,1,1,0,
%U A281446 415361983540,575092291,2144956,21607,590,40,6,1,1,0,815590925440865,415946286005,575116919,2145005,21608
%N A281446 Triangle read by rows: Number of oriented graphs on n nodes with k components.
%C A281446 Multiset transform of A086345.
%H A281446 <a href="/index/Mu#multiplicative_completely">Index entries for triangles generated by the Multiset Transformation</a>
%F A281446 G.f.: Product_{j>=1} (1-y*x^j)^(-A086345(j)). - _Alois P. Heinz_, Apr 13 2017
%e A281446 1;
%e A281446 0,1;
%e A281446 0,1,1;
%e A281446 0,5,1,1;
%e A281446 0,34,6,1,1;
%e A281446 0,535,39,6,1,1;
%e A281446 0,20848,584,40,6,1,1;
%e A281446 0,2120098,21553,589,40,6,1,1;
%e A281446 0,572849763,2144216,21602,590,40,6,1,1;
%e A281446 0,415361983540,575092291,2144956,21607,590,40,6,1,1;
%Y A281446 Cf. A086345 (column 1), A001174 (row sums).
%K A281446 tabl,nonn
%O A281446 0,8
%A A281446 _R. J. Mathar_, Apr 13 2017