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 A245170 #8 Feb 12 2019 09:15:13
%S A245170 1,0,1,0,1,1,0,13,34,13,0,19,89,89,19,0,1235,8788,15858,8788,1235,0,
%T A245170 155,1527,4222,4222,1527,155
%N A245170 Triangle read by rows: coefficients of the polynomials A_{1,7}(n,k).
%H A245170 J. Agapito, <a href="https://dx.doi.org/10.1016/j.laa.2014.03.018">On symmetric polynomials with only real zeros and nonnegative gamma-vectors</a>, Linear Algebra and its Applications, Volume 451, 15 June 2014, Pages 260-289.
%e A245170 Triangle begins:
%e A245170 1,
%e A245170 0,1,
%e A245170 0,1,1,
%e A245170 0,13,34,13,
%e A245170 0,19,89,89,19,
%e A245170 0,1235,8788,15858,8788,1235,
%e A245170 0,155,1527,4222,4222,1527,155,
%e A245170 ...
%Y A245170 Cf. A245167, A245168, A245169, A245171, A245172, A245173.
%K A245170 nonn,tabl,more
%O A245170 0,8
%A A245170 _N. J. A. Sloane_, Jul 13 2014