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A226299
Number of primitive permutations with n buds and 6 red or blue elements.
1
1, 25, 540, 11760, 268365, 6495345
OFFSET
0,2
CROSSREFS
Sequence in context: A144942 A122140 A083191 * A264378 A015679 A230454
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jun 05 2013
STATUS
approved