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A047102
T(n,n), array T as in A047100.
0
1, 1, 3, 11, 37, 131, 481, 1778, 6637, 25010, 94819, 361275, 1382507, 5309449, 20452432, 78991548, 305779341, 1186056909, 4608647096, 17936112649, 69903546693, 272788289379, 1065751393409, 4168163479770, 16317475606787
OFFSET
0,3
CROSSREFS
Sequence in context: A214996 A180168 A232031 * A109000 A183511 A307800
KEYWORD
nonn
STATUS
approved