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A192381
(A192380)/2.
2
0, 1, 2, 10, 30, 115, 388, 1396, 4860, 17205, 60390, 212894, 748858, 2637095, 9281160, 32674280, 115012472, 404871209, 1425187530, 5016903090, 17660176470, 62166525211, 218835115532, 770332126300, 2711681718900, 9545519439325, 33601629823918
OFFSET
1,3
COMMENTS
(See A192380.)
EXAMPLE
(See A192380.)
MATHEMATICA
(See A192379.)
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jun 29 2011
STATUS
approved