OFFSET
0,3
LINKS
B. Chern, P. Diaconis, D. M. Kane, and R. C. Rhoades, Closed expressions for averages of set partition statistics, arXiv:1304.4309 [math.CO], 2013.
EXAMPLE
Triangle begins:
1
1
2
5
14 1
42 9 1
132 55 14 2
429 286 120 35 6 1
1430 1365 819 364 119 35 7 1
4862 6188 4900 2940 1394 586 203 59 13 2
16796 27132 26928 20400 12576 6846 3246 1358 493 153 38 8 1
...
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
N. J. A. Sloane, Jun 10 2013
STATUS
approved