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A182584
Central terms of the triangle A182579.
3
1, 1, 4, 5, 20, 27, 112, 156, 660, 935, 4004, 5733, 24752, 35700, 155040, 224808, 980628, 1427679, 6249100, 9126975, 40060020, 58659315, 258048960, 378658800, 1668903600, 2453288292, 10829900592, 15944020316, 70480305440, 103897691640, 459823234112
OFFSET
0,3
COMMENTS
a(n) = A182579(2*n,n);
a(2*n+1) = A052227(n).
LINKS
PROG
(Haskell)
a182584 n = a182579 (2*n) n
CROSSREFS
Sequence in context: A047175 A133632 A163141 * A358581 A240860 A059182
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, May 06 2012
STATUS
approved