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Search: id:A104203
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| A104203 |
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Make a series for sl(x) and then multiply the coefficients by n! to make them integral. The coefficients satisfy a_n=-2*sum_{i+j+k=n}(a_i*a_j*a_k)/(n(n-1)). |
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1
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| 1, 0, 0, 0, -12, 0, 0, 0, 3024, 0, 0, 0, -4390848, 0, 0, 0, 21224560896, 0, 0, 0, -257991277243392, 0, 0, 0, 6628234834692624384, 0, 0, 0, -319729080846260095008768, 0, 0, 0, 26571747463798134334265819136, 0, 0, 0
(list; graph; listen)
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OFFSET
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1,5
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MATHEMATICA
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Drop[ Range[0, 37]! CoefficientList[ InverseSeries[ Series[ Integrate[1/(1 - x^4)^(1/2), x], {x, 0, 37}]], x], 1] (from Robert G. Wilson v Mar 16 2005)
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CROSSREFS
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Adjacent sequences: A104200 A104201 A104202 this_sequence A104204 A104205 A104206
Sequence in context: A083344 A063863 A101364 this_sequence A004012 A072837 A023917
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KEYWORD
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sign
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AUTHOR
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Troy Kessler (tkessler1977(AT)netzero.com), Mar 13 2005
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EXTENSIONS
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More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Mar 16 2005
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