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A151941
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2^(2^n)*( (2^(n-1))! )^2*binomial(2*n,n).
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0
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8, 384, 2949120, 7457942274048000, 473804945588441678165307763458048000000, 1180144503132859774172436967820251490293315957318932076130423256619673861908070400000000000000
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OFFSET
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1,1
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COMMENTS
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The number of most-perfect magic squares of order 2^m where m>=2.
The next term is too large to include here.
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LINKS
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MAPLE
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f:=m->2^(2^m)*( (2^(m-1))! )^2*binomial(2*m, m);
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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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