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The row 1,8,22,8,1 occurs on p. 78 of Ottaviani as the numerator for the Hilbert series of the invariant ring of eight ordered points in a projective space. - __Tom Copeland_, Feb 27 2020
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D.-N. Verma, <a href="/A012249/a012249.pdf">Towards Classifying Finite Point-Set Configurations</a>, 1997, Unpublished. [Scanned copy of annotated version of preprint given to me by the author in 1997. - N. J. A. Sloane, Oct 04 2021]
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Triangle of Irregular triangle read by rows, giving coefficients of polynomials arising as numerators of certain Hilbert series.
Triangle begins:
1,
1, 1, 1,
1, 8, 22, 8, 1,
1, 34, 295, 565, 295, 34, 1,
...
tabl,tabf,nonn,more,changed
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D n Verma, Towards Classifying Finite Point-Set Configurations, preprint, 1997.
D.-N. Verma, <a href="/A012249/a012249.pdf">Towards Classifying Finite Point-Set Configurations</a>, 1997, Unpublished. Scanned copy of annotated version of preprint given to me by the author in 1997. - N. J. A. Sloane, Oct 04 2021]
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