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A107446 a(n) = binomial(n^4, n). 1

%I #15 Aug 05 2023 21:20:08

%S 1,1,120,85320,174792640,782083984500,6505247592703944,

%T 90471680541391718800,1951589337580920650595840,

%U 61742372998425082372103866380,2743355077591282538231819720749000,165382891003629711761140477728569323368,13151651360462180865959048190677701749268800

%N a(n) = binomial(n^4, n).

%H Andrew Howroyd, <a href="/A107446/b107446.txt">Table of n, a(n) for n = 0..100</a>

%F a(n) ~ e^n*n^(3n - 1/2)/sqrt(2*Pi). - _Harlan J. Brothers_, Aug 05 2023

%t Table[Binomial[n^4, n], {n, 10}]

%o (PARI) a(n) = {binomial(n^4, n)} \\ _Andrew Howroyd_, Feb 03 2020

%Y Cf. A014062 (binomial(n^2, n)).

%K nonn

%O 0,3

%A _Zak Seidov_, May 26 2005

%E a(0)=1 prepended and terms a(11) and beyond from _Andrew Howroyd_, Feb 03 2020

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Last modified May 21 19:35 EDT 2024. Contains 372738 sequences. (Running on oeis4.)