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T(n,k)=具有相邻元素差异的n个元素的-k.k数组的数量,也以-k.k表示
7

%I#5 2012年3月31日12:36:42

%S 3,5,7,7,19,17,9,37,75,41,11,61203295,99,13,9142911111161239,15,

%电话:127781301160834569577,17169128766912114133305179811393,

%电话:1921719751302157343148433182349707633363,21271287323045131781

%N T(N,k)=具有相邻元素差异的N个元素的-k..k数组的数量(单位:-k.k)

%C表启动

%C。。。。3.......5........7.........9.........11..........13..........15

%C。。。。7......19.......37........61.........91.........127.........169

%C。。。17......75......203.......429........781........1287........1975

%C。。。41.....295.....1111......3011.......6691.......13021.......23045

%C。。。99....1161.....6083.....21141......57343......131781......268983

%C。。239....4569....33305....148433.....491429.....1333683.....3139529

%C。。577...17981...182349...1042167....4211559....13497523....36644243

%C.1393…70763…998383…7317185…36093157…136601483…427707523

%C.3363.278483..5466269.51374875.309319197.1382473365.4992154799

%编号:8119.1095951.29928491.360709449.2650872719.13991301963.58267877227

%H R.H.Hardin,n表,n=1..9999的a(n)</a>

%F柱经验值:

%F k=1:a(n)=2*a(n-1)+a(n-2)

%Fk=2:a(n)=4*a(n-1)-a(n-3)

%F k=3:a(n)=5*a(n-1)+3*a(n-2)-2*a(n-3)-a(n-4)

%Fk=4:a(n)=7*a(n-1)+a(n-2)-6*a(n-3)+a(n-5)

%F k=5:a(n)=8*a(n-1)+6*a(n-2)-9*a(n-3)-5*a(n-4)+2*a(-n-5)+a(n-6)

%F k=6:a(n)=10*a(n-1)+3*a(n-2)-18*a(n-3)-a(n-4)+8*a(n-5)-a

%F k=7:a(n)=11*a(n-1)+10*a(n-2)-24*a

%F行经验值:

%Fn=1:a(k)=2*k+1

%Fn=2:a(k)=3*k^2+3*k+1

%F n=3:a(k)=(14/3)*k^3+7*k^2+(13/3)*k+1

%F n=4:a(k)=(29/4)*k^4+(29/2)*k*3+(51/4)*k^2+(11/2)*k+1

%F n=5:a(k)=(169/15)*k^5+(169/6)*k*4+32*k^3+(119/6)*k^2+(101/15)*k+1

%F n=6:a(k)=(2101/120)*k^6+(2101/40)*k*5+(1753/24)*k|4+(1405/24)*k^3+(569/20)*k ^2+(119/15)*k+1

%F n=7:a(k)=(17141/630)*k^7+(17141/180)*k*6+(28177/180)*k^5+(2759/18)*k*4+(17299/180)*1k^3+(6929/180)**k^2+(1921/210)*k+1

%e n=4 k=7的一些解

%e-5...-1....2....2...-3....4...-4....4....5....2...-6...-1....1....4....2....0

%e-3....0....3....1....2....4...-3....4....2...-5....1....6....5....7....4....0

%e-5...-5...-4...-3....2...-2....1....5....7...-7....0....2....4....1....1....2

%e-7...-1....2...-6....1...-1...-5....7....0...-1...-5....6...-3....5...-1....2

%Y列1为A001333(n+1)

%Y列2为A126392

%Y列3为A126475

%Y列4为A126504

%Y列5为A126532

%Y行1是A004273(n+1)

%Y行2是A003215

%Y行3是A063494(n+1)

%K nonn,表

%O 1,1号机组

%A R.H.Hardin(2011年11月26日)