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A216723
Second column of A216722.
2
0, 0, 5, 18, 84, 568, 4122, 33910
OFFSET
3,3
REFERENCES
Wayne M. Dymacek, Isaac Lambert and Kyle Parsons, Arithmetic Progressions in Permutations, http://math.ku.edu/~ilambert/CN.pdf, 2012.
CROSSREFS
Sequence in context: A019046 A343165 A141733 * A281159 A357797 A199257
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Sep 15 2012
STATUS
approved