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A255489
Row 3 of array in A211400.
1
1, 5, 36, 295, 2583, 23580, 221680
OFFSET
1,2
COMMENTS
Row 2 gives the Catalan numbers, which automatically makes row 3 interesting.
CROSSREFS
Sequence in context: A332624 A027331 A357153 * A091161 A364765 A135149
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Mar 01 2015
STATUS
approved