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Triangle read by rows: coefficients of the polynomials A_{1,4}(n,k).
6

%I #9 Feb 12 2019 04:06:30

%S 1,0,1,0,1,1,0,7,19,7,0,1,5,5,1,0,91,707,1311,707,91,0,52,570,1655,

%T 1655,570,52

%N Triangle read by rows: coefficients of the polynomials A_{1,4}(n,k).

%H 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 Triangle begins:

%e 1,

%e 0,1,

%e 0,1,1,

%e 0,7,19,7,

%e 0,1,5,5,1,

%e 0,91,707,1311,707,91,

%e 0,52,570,1655,1655,570,52,

%e ...

%Y Cf. A245168, A245169, A245170, A245171, A245172, A245173.

%K nonn,tabl,more

%O 0,8

%A _N. J. A. Sloane_, Jul 12 2014