OFFSET
3,1
REFERENCES
Wayne M. Dymacek, Isaac Lambert and Kyle Parsons, Arithmetic Progressions in Permutations, http://math.ku.edu/~ilambert/CN.pdf, 2012.
EXAMPLE
Triangle begins:
1 0 0 1
6 0 0 0 0
18 5 0 0 0 1
93 18 9 0 0 0 0
600 84 28 7 0 0 0 1
4320 512 192 0 16 0 0 0 0
35168 4122 810 156 54 9 0 0 0 1
321630 34000 5625 1400 200 0 25 0 0 0 0
...
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
N. J. A. Sloane, Sep 15 2012
STATUS
approved