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A215190 T(n,k)=Number of arrays of n 0..k integers with no sum of consecutive elements equal to a disjoint adjacent sum of an equal number of elements 5

%I #5 Aug 05 2012 07:21:46

%S 2,3,2,4,6,2,5,12,12,0,6,20,36,18,0,7,30,80,88,30,0,8,42,150,276,216,

%T 30,0,9,56,252,664,954,440,18,0,10,72,392,1366,2940,2898,896,0,0,11,

%U 90,576,2512,7404,11756,8808,1626,0,0,12,110,810,4264,16092,36864,46972,24014

%N T(n,k)=Number of arrays of n 0..k integers with no sum of consecutive elements equal to a disjoint adjacent sum of an equal number of elements

%C Table starts

%C .2..3....4......5.......6........7.........8..........9.........10........11

%C .2..6...12.....20......30.......42........56.........72.........90.......110

%C .2.12...36.....80.....150......252.......392........576........810......1100

%C .0.18...88....276.....664.....1366......2512.......4264.......6800.....10330

%C .0.30..216....954....2940.....7404.....16092......31560......57072.....96990

%C .0.30..440...2898...11756....36864.....95832.....219092.....452368....864810

%C .0.18..896...8808...46972...183438....570460....1520506....3584736...7709744

%C .0..0.1626..24014..172046...848802...3191034....9990182...27052236..65759590

%C .0..0.2980..65462..630456..3931086..17862744...65678336..204247760.561117076

%C .0..0.4692.160670.2139436.17086156..94691966..411561564.1477403080

%C .0..0.7214.394750.7274062.74389138.502572562.2581475090

%C Column 1 is zero for n>=4

%C Column 2 is zero for n>=8

%C Column 3 is zero for n>=51

%H R. H. Hardin, <a href="/A215190/b215190.txt">Table of n, a(n) for n = 1..164</a>

%e Some solutions for n=6 k=4

%e ..1....4....0....0....0....0....4....3....0....3....1....4....3....3....1....2

%e ..3....3....3....3....4....4....2....4....3....0....3....2....0....4....0....3

%e ..2....2....4....0....0....3....0....0....1....4....1....4....2....2....3....0

%e ..0....1....3....4....2....2....4....2....4....3....2....3....4....0....4....4

%e ..4....2....0....2....0....4....3....3....3....0....1....4....0....3....1....0

%e ..3....0....1....3....4....2....4....4....1....2....4....1....3....2....4....3

%Y Row 2 is A002378

%Y Row 3 is A011379

%K nonn,tabl

%O 1,1

%A _R. H. Hardin_ Aug 05 2012

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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)