OFFSET
0,3
REFERENCES
Wayne M. Dymacek, Isaac Lambert and Kyle Parsons, Arithmetic Progressions in Permutations, http://math.ku.edu/~ilambert/CN.pdf, 2012.
LINKS
Max Alekseyev, Table of n, a(n) for n = 0..100
Kyle Parsons, Arithmetic Progressions in Permutations, thesis, 2011. See Table 4 p. 12.
EXAMPLE
For example, a(5) does not count the permutation (0,4,1,3,2) since 4,1,3 is an arithmetic progression of 2 mod(5).
CROSSREFS
KEYWORD
nonn
AUTHOR
Isaac Lambert, Mar 06 2010
EXTENSIONS
a(11)-a(17) from Alois P. Heinz, Apr 13 2021
Terms a(18) onward from Max Alekseyev, Feb 04 2024
STATUS
approved