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A054118
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Subdiagonal T(n,n-3), array T as in A054115.
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0
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1, 24, 144, 864, 5904, 46224, 409104, 4037904, 43954704, 522956304, 6749977104, 93928268304, 1401602636304, 22324392524304, 378011820620304, 6780385526348304, 128425485935180304, 2561327494111820304, 53652269665821260304, 1177652997443428940304
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OFFSET
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3,2
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LINKS
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FORMULA
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Conjecture: a(n) = (n+1)*a(n-1) - n*a(n-2) for n>=6. - R. J. Mathar, Jun 13 2013
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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