OFFSET
0,3
LINKS
Alois P. Heinz, Rows n = 0..50, flattened
B. Chern, P. Diaconis, D. M. Kane, R. C. Rhoades, Closed expressions for averages of set partition statistics, [PDF], 2013. Also arXiv:1304.4309 (2013).
EXAMPLE
Triangle begins:
1
1
2
4 1
8 4 3
16 12 13 9 2
32 32 42 42 35 12 8
64 80 120 145 159 133 86 52 32 6
128 192 320 440 559 600 591 440 380 248 164 48 30
...
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
N. J. A. Sloane, Jun 10 2013
EXTENSIONS
More terms from Alois P. Heinz, Mar 24 2016
STATUS
approved