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A279002
The number AE_n of vertex permutations of rank n.
1
1, 2, 7, 26, 100, 404, 1691, 7254
OFFSET
3,2
COMMENTS
See Section 7.3 of Baur and Martin (2016) for precise definition.
CROSSREFS
Row sums of A279003.
Sequence in context: A114121 A049775 A101850 * A176280 A349713 A045868
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Dec 07 2016
STATUS
approved