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A278868
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Second series of Hankel determinants based on hyperfactorial/4.
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2
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OFFSET
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0,3
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COMMENTS
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It would be useful to know the formula for this sequence.
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LINKS
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Table of n, a(n) for n=0..5.
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MAPLE
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a:= n-> LinearAlgebra[Determinant](Matrix(n, (i, j)->
(t-> mul(k^k, k=0..t)/4)(i+j))):
seq(a(n), n=0..6); # Alois P. Heinz, Nov 29 2016
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MATHEMATICA
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Table[Det[Table[Hyperfactorial[i + j]/4, {i, n}, {j, n}]], {n, 6}].
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CROSSREFS
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Cf. A002109, A277829, A278770, A278860.
Sequence in context: A214556 A114930 A068757 * A255791 A186602 A031836
Adjacent sequences: A278865 A278866 A278867 * A278869 A278870 A278871
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KEYWORD
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nonn
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AUTHOR
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Karol A. Penson, Nov 29 2016
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STATUS
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approved
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