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A027498
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First diagonal of A027495.
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0
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1, 1, 2, 2, 3, 156, 11310, 330629, 152089340, 643246654596, 35524062269891, 337477881082719102180, 109384291330500150829872420, 86955035326335082936056844350, 544579423437617936776185666967483770498, 1506261534148454000219791441278411835118056010820
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OFFSET
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1,3
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LINKS
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FORMULA
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Numerators of sequence a[ n, n ] in (a[ i, j ])^2 where a[ i, j ] = S(i, j)/BellNumber(i) if j<=i, 0 if j>i.
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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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