Search: id:A051589
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%I A051589
%S A051589 0,1,63,3367,167835,7803391,339133803,13887495007,541044196875,
%T A051589 20237096702431,732455240043243,25820836854042847,891331324715015115,
%U A051589 30260208833985800671,1013882831306569043883,33620617443978687281887
%N A051589 Number of 5xn binary matrices such that any 2 rows have a common 1.
%D A051589 V. Jovovic, G. Kilibarda, On the number of Boolean functions in the Post 
               classes F^{mu}_8, Diskretnaya Matematika, 11 (1999), no. 4, 127-138 
               (translated in Discrete Mathematics and Applications, 9, (1999), 
               no. 6).
%F A051589 a(n)=32^n - 10*24^n + 30*20^n - 5*18^n + 5*17^n - 70*16^n - 30*15^n + 
               135*14^n + 30*13^n - 140*12^n - 2*11^n + 130*10^n - 110*9^n + 45*8^n 
               - 10*7^n + 6^n.
%Y A051589 Cf. A005061, A051588, A051587.
%Y A051589 Sequence in context: A006110 A132051 A069381 this_sequence A069407 A046190 
               A093263
%Y A051589 Adjacent sequences: A051586 A051587 A051588 this_sequence A051590 A051591 
               A051592
%K A051589 nonn
%O A051589 0,3
%A A051589 Vladeta Jovovic, Goran Kilibarda (vladeta(AT)eunet.rs). Revised Aug 03 
               2000.

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