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T(n,k)=n+2个非零数x(i)在-k.k中的排列数,x(i)*x(i+1)的和等于零
15

%I#5 2012年3月31日12:36:11

%第4,16,0,36,20,12,64,52120,0100144548300,4014420815041632页,

%电话1284,01964363292709212692413214025653263761648458824,

%电话:5119616272,0324816105644401932323685883553965780850440010721704075080

%N T(N,k)=N+2个非零数x

%C表启动

%C。。。4.....16.......36.........64.........100.........144..........196

%C。。。0.....20.......52........144.........208.........436..........532

%C。。12....120......548.......1504........3292........6376........10564

%C。。。0....300.....1632.......7092.......16484.......43440........75080

%C。。40...1284....12692......58824......193232......521124......1142180

%C。。。0...4132....51196.....368588.....1399640.....4875112.....11953848

%C.140..16272…355396…2880240…14715004…55994544…168083116

%C。。。0..57808..1657632...20265640...123729664...591604824...2026547348

%抄送:504.223308.10858368..156028036..1247614580.6764014136..27843005992

%C。。。0.828456.54754656.1154193268.11199296500.75116513672.355600251460

%H R.H.Hardin,n表,n=1..159的a(n)</a>

%e n=6 k=4的一些解

%e、-2...-3...-3...-1...-2...-1....1....2...-3...-4....3...-4...-2...-4...-4...-2

%e、-2...-4...-4...-4...-4...-4...-4...-4...-2...-3...-4...-3...-3...-4...-3...-4

%e、-3...-2...-2....4....3....2....1....1...-4....3...-2....1....3....2....1....2

%e-4...-2...-1...-1....1...-1....2...-4....2...-4....1...-3...-1....2....4....4

%电子。。3....4...-4...-4...-2...-2...-1...-2...-2...-3....1....1...-2...-1....2...-3

%e、-2...-4....2...-3....1...-2...-2...-3....4....3....4...-3...-3....1...-3...-4

%电子。。1...-3...-3...-3....1...-2...-1....2....3....3....1....3...-2....3....3....4

%e、-2....4....4....3....4....2...-4....4...-2...-1...-3....3....4...-4...-2....2

%Y列1为4*A138364

%K nonn,表

%O 1,1号机组

%A R.H.Hardin _ 2011年3月25日

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