The triangle of numbers given by

See also Clark's Triangle, Eulerian Number, Leibniz Harmonic Triangle, Number Triangle, Pascal's Triangle, SeidelEntringerArnold Triangle, ZTransform
References
Sloane, N. J. A. Sequence A008292 in ``The OnLine Version of the Encyclopedia of Integer Sequences.'' http://www.research.att.com/~njas/sequences/eisonline.html.