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Search: id:A014609
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| 1, 1, 252, 756756, 11732745024, 623360743125120, 88832646059788350720, 28837919555681211870935040, 18975581770994682860770223800320, 23183587808948692737291767860055162880
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OFFSET
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0,3
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COMMENT
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a(n) is also the constant term in product 1 <= i,j <= n, i different from j (1 - x_i/x_j)^5. - Sharon Sela (sharonsela(AT)hotmail.com), Feb 18 2002
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REFERENCES
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G. E. Andrews, R. Askey and R. Roy, Special Functions, Cambridge University Press, 1998.
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PROGRAM
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(PARI) a(n)=if(n<0, 0, (5*n)!/120^n)
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CROSSREFS
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Cf. A000680, A014606, A014608.
Adjacent sequences: A014606 A014607 A014608 this_sequence A014610 A014611 A014612
Sequence in context: A076013 A078263 A109929 this_sequence A068275 A068287 A083957
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KEYWORD
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nonn
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AUTHOR
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BjornE (mdeans(AT)algonet.se)
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