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A032768
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Floor[ n(n+1)(n+2)(n+3)(n+4) / (n+(n+1)+(n+2)+(n+3)+(n+4)).
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2
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0, 8, 36, 100, 224, 432, 756, 1232, 1900, 2808, 4004, 5544, 7488, 9900, 12852, 16416, 20672, 25704, 31600, 38456, 46368, 55440, 65780, 77500, 90720, 105560, 122148, 140616, 161100, 183744, 208692, 236096, 266112, 298900, 334628, 373464, 415584
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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LINKS
| Index to sequences with linear recurrences with constant coefficients, signature (4,-6,4,-1,1,-4,6,-4,1).
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FORMULA
| G.f.: 4*x*(1+x)*(2-x+2*x^2)/( (1-x)^5*(1+x+x^2+x^3+x^4)).
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CROSSREFS
| Cf. A032769, A032770.
Sequence in context: A009923 A187287 A035006 * A006636 A092365 A014343
Adjacent sequences: A032765 A032766 A032767 * A032769 A032770 A032771
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KEYWORD
| nonn
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AUTHOR
| Patrick De Geest (pdg(AT)worldofnumbers.com), May 15, 1998.
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