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A192079
a(n) = A192078(n)/2.
1
1, 2, 4, 6, 9, 19
OFFSET
2,2
LINKS
J. L. Schulman, The quantifier semigroup for bipartite graphs, Electronic Journal of Combinatorics, 18 (2011), #P123.
CROSSREFS
Cf. A192078.
Sequence in context: A164138 A320449 A263434 * A079143 A192316 A049912
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jun 23 2011
STATUS
approved