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Search: id:A161200
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| A161200 |
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Numerators in expansion of (1-x)^(3/2) |
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+0
5
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| 1, -3, 3, 1, 3, 3, 7, 9, 99, 143, 429, 663, 4199, 6783, 22287, 37145, 1002915, 1710855, 5892945, 10235115, 71645805, 126233085, 447553665, 797813055, 11435320455, 20583576819, 74417546961, 135054066707
(list; graph; listen)
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OFFSET
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0,2
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FORMULA
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a(n) = numer((3/(3-8*n+4*n^2))*binomial(2*n,n)/(4^n))
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MAPLE
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Cf. A002596 [1-x)^(1/2)] and A161202 [1-x)^(5/2)].
Cf. A161199 numerators in expansion of (1-x)^(-5/2).
A161198 triangle related to the series expansions of (1-x)^((-1-2*n)/2) for all values of n.
A046161 gives the denominators of the series expansions of (1-x)^(3/2).
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CROSSREFS
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Adjacent sequences: A161197 A161198 A161199 this_sequence A161201 A161202 A161203
Sequence in context: A066400 A125562 A092040 this_sequence A110766 A166314 A109630
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KEYWORD
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easy,sign
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AUTHOR
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Johannes W. Meijer (meijgia(AT)hotmail.com), Jun 08 2009
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