Search: id:A008506
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%I A008506
%S A008506 1,14,105,560,2380,8568,27132,77520,203490,497420,1144066,
%T A008506 2496144,5200300,10400599,20058286,37442055,67863355,
%U A008506 119757470,206244507,347346468,573088920,927780270,1475840380
%N A008506 12-dimensional centered tetrahedral numbers.
%H A008506 Milan Janjic, <a href="http://www.pmfbl.org/janjic/">Two Enumerative 
               Functions</a>
%F A008506 Expansion of (1-x^13 )/(1-x)^14.
%Y A008506 Sequence in context: A131709 A139614 A068390 this_sequence A010966 A022579 
               A061179
%Y A008506 Adjacent sequences: A008503 A008504 A008505 this_sequence A008507 A008508 
               A008509
%K A008506 nonn
%O A008506 0,2
%A A008506 N. J. A. Sloane (njas(AT)research.att.com).

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