A172660 - OEIS

%I #8 May 01 2019 11:01:36

%S 6,282,16260,1093050,79796556,6152037276,492872166072,40629560387130,

%T 3423871305383100,293631119403639732,25543657090245824712,

%U 2248575441654260591964,199926155194724792622600

%N Number of 2*n X 4 0..2 arrays with row sums 2 and column sums n

%H R. H. Hardin, <a href="/A172660/b172660.txt">Table of n, a(n) for n=1..49</a>

%H Andreas Stiller, <a href="https://www.heise.de/newsticker/meldung/Zahlen-bitte-2-75-Billiarden-vom-Skat-und-dem-Zufall-4409604.html">Zahlen, bitte! 2,75 Billiarden - vom Skat und dem Zufall</a>, heise online (in German)

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 06 2010