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 A238384 #7 Mar 30 2014 12:16:53
%S A238384 1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,2,2,1,1,1,1,2,3,2,1,1,1,1,2,3,3,2,
%T A238384 1,1,1,1,2,3,4,3,2,1,1,1,1,2,3,4,4,3,2,1,1,1,1,2,3,4,6,4,3,2,1,1,1,1,
%U A238384 2,3,4,6,6,4,3,2,1,1,1,1,2,3,4,6
%N A238384 Triangle of numbers related to A075535.
%C A238384 Triangle read by rows; each row is an initial segment of the terms of A075535 followed by its reflection.
%F A238384 T(2n,n) = A075535(n+1).
%F A238384 Sum_{k=0..n} T(n,k) = A075535(n+2).
%e A238384 Triangle begins:
%e A238384 1;
%e A238384 1, 1;
%e A238384 1, 1, 1;
%e A238384 1, 1, 1, 1;
%e A238384 1, 1, 2, 1, 1;
%e A238384 1, 1, 2, 2, 1, 1;
%e A238384 1, 1, 2, 3, 2, 1, 1;
%e A238384 1, 1, 2, 3, 3, 2, 1, 1;
%e A238384 1, 1, 2, 3, 4, 3, 2, 1, 1;
%e A238384 1, 1, 2, 3, 4, 4, 3, 2, 1, 1;
%e A238384 1, 1, 2, 3, 4, 6, 4, 3, 2, 1, 1;
%e A238384 1, 1, 2, 3, 4, 6, 6, 4, 3, 2, 1, 1;
%e A238384 1, 1, 2, 3, 4, 6, 8, 6, 4, 3, 2, 1, 1;
%e A238384 1, 1, 2, 3, 4, 6, 8, 8, 6, 4, 3, 2, 1, 1;
%e A238384 1, 1, 2, 3, 4, 6, 8,11, 8, 6, 4, 3, 2, 1, 1;
%Y A238384 Cf. A075535.
%K A238384 easy,nonn,tabl
%O A238384 0,13
%A A238384 _Philippe Deléham_, Feb 25 2014