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A047004
T(n,n-2), array T given by A047000.
0
1, 1, 4, 7, 30, 143, 585, 2420, 9690, 38779, 153769, 608925, 2404100, 9484317, 37378622, 147270615, 580094570, 2284987355, 9001081353, 35463025663, 139747015800, 550824207900, 2171675252565, 8564359325319, 33784352403732
OFFSET
2,3
CROSSREFS
Sequence in context: A149086 A149087 A149088 * A030689 A080871 A358586
KEYWORD
nonn
STATUS
approved