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A239766
Number of pairs of functions (f,g) from a set of n elements into itself satisfying f(f(x)) = f(g(g(x))).
0
1, 1, 10, 195, 5992, 260085, 14922576, 1087100371
OFFSET
0,3
CROSSREFS
Cf. A181162.
Sequence in context: A007816 A365176 A126463 * A294047 A239768 A239769
KEYWORD
nonn,more
AUTHOR
Chad Brewbaker, Mar 26 2014
EXTENSIONS
a(6)-a(7) from Giovanni Resta, Mar 28 2014
STATUS
approved