%I #8 Oct 20 2014 17:15:17
%S 1,1,1,1,3,1,1,5,7,1,1,6,19,15,1,1,10,22,67,31,1,1,12,56,67,229,63,1,
%T 1,-24,176,159,225,765,127,1
%N Triangle read by rows: coefficients in expansion of number of r-colored set partitions of n as a polynomial in r.
%H Eric Marberg, <a href="http://arxiv.org/abs/1203.5738">Crossings and nestings in colored set partitions</a>, arXiv preprint arXiv:1203.5738, 2012.
%e Triangle begins:
%e 1
%e 1 1
%e 1 3 1
%e 1 5 7 1
%e 1 6 19 15 1
%e 1 10 22 67 31 1
%e 1 12 56 67 229 63 1
%e 1 -24 176 159 225 765 127 1
%e ...
%K sign,tabl,more
%O 1,5
%A _N. J. A. Sloane_, Sep 22 2012