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 A178302 #2 Mar 31 2012 13:23:39 %S A178302 1,4,19,104,601,3622 %N A178302 Multiply the irregular Array A125108 by A178300;compute a(n)the vertical sums. %C A178302 The row sums resulting from the defined multiplication yields A038675. %C A178302 A178301 is a triangular sub-array of A178300 times A125108 %C A178302 since A007318 is a sub-array of A125108. %e A178302 A125108(7) = 2 and appears on row five of A125108 so %e A178302 A178300(5) times A125108(7) is 4*2 =8. %e A178302 As a cross-check, note that A178301 = 1,4,19,96,... %e A178302 and with the additional 8 in column 4 we have a(n) = 1,4,19,104,... %Y A178302 Cf. A038675 A125108 A178300 A178301 %K A178302 nonn,uned %O A178302 1,2 %A A178302 _Alford Arnold_, May 30 2010