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A189332 Number of nondecreasing arrangements of 9 numbers in 0..n with the last equal to n and each after the second equal to the sum of one or two of the preceding four 1

%I

%S 2,16,34,94,119,275,253,548,477,845,725,1375,951,1608,1522,2126,1511,

%T 2758,1809,3130,2557,3125,2312,4710,2551,3930,3502,4942,2922,6053,

%U 3105,5798,4483,5381,4049,8173,3634,6207,5339,8368,4204,8795,4353,8395,7148

%N Number of nondecreasing arrangements of 9 numbers in 0..n with the last equal to n and each after the second equal to the sum of one or two of the preceding four

%C Row 7 of A189326

%H R. H. Hardin, <a href="/A189332/b189332.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for n=3

%e ..0....0....1....0....1....1....1....0....1....1....0....1....1....0....1....1

%e ..1....1....1....1....1....1....1....1....1....1....3....1....3....1....1....1

%e ..1....1....1....1....1....1....1....1....1....2....3....1....3....1....1....2

%e ..1....1....1....2....1....2....1....1....1....2....3....1....3....1....2....3

%e ..1....1....2....2....1....2....1....1....1....2....3....1....3....2....3....3

%e ..1....1....2....2....2....2....2....2....2....3....3....1....3....2....3....3

%e ..2....1....3....3....2....3....2....3....3....3....3....2....3....2....3....3

%e ..2....2....3....3....2....3....3....3....3....3....3....2....3....3....3....3

%e ..3....3....3....3....3....3....3....3....3....3....3....3....3....3....3....3

%K nonn

%O 1,1

%A _R. H. Hardin_ Apr 20 2011

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Last modified January 31 01:17 EST 2023. Contains 359947 sequences. (Running on oeis4.)