%I
%S 1,1,1,3,2,3,7,17,17,7,25,76,182,76,25,27,159,454,454,159,27,331,2582,
%T 11653,16948,11653,2582,331
%N Triangle read by rows of operator ordering coefficients corresponding to the Hermite polynomials H_n(x).
%H T. Amdeberhan, V. de Angelis, A. Dixit, V. H. Moll and C. Vignat, <a href="http://dauns01.math.tulane.edu/~vhm/papers_html/ordering1.pdf">From sequences to polynomials and back, via operator orderings</a>, 2013.
%H Carl M. Bender and Gerald V. Dunne, <a href="http://dx.doi.org/10.1063/1.527869">Polynomials and operator orderings</a>, J. Math. Phys. 29 (1988), 17271731.
%e Triangle begins:
%e 1
%e 1,1
%e 3,2,3
%e 7,17,17,7
%e 25,76,182,76,25
%e 27,159,454,454,159,27
%e 331,2582,11653,16948,11653,2582,331
%e ...
%Y Cf. A225694, A225696.
%K nonn,tabl,more
%O 0,4
%A _N. J. A. Sloane_, May 27 2013
