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A055612
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a(n) = Product_{m=1..n} (binomial(n,m)+1).
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6
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1, 2, 6, 32, 350, 8712, 526848, 80289792, 31428168318, 31906468445000, 84447578671097576, 584524457418427932672, 10604795873304968964262400, 505245441738743508813986275328, 63320582170435750241601032951040000, 20908669294849228879861552351685432573952
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OFFSET
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0,2
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COMMENTS
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REFERENCES
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V. K. Kharchenko, Fixed rings and noncommutative invariant theory, pp. 359-398 of M. Hazewinkel, ed., Handbook of Algebra, Vol. 2, Elsevier, 2000.
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LINKS
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MATHEMATICA
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PROG
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(Haskell)
a055612 = product . map (+ 1) . tail . a007318_row
(PARI) a(n) = prod(m=1, n, 1+binomial(n, m)); \\ Michel Marcus, Oct 30 2017
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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