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A193059 Number of size n nonnegative integer arrays with new values introduced in increasing order from 0, and no 4 consecutive elements totalling n or more 1

%I #5 Mar 31 2012 12:36:21

%S 1,2,4,11,30,103,423,1898,9186,48459,277813,1682335,10842496,73622545,

%T 532098309,4013332419,31553670222,258169433450,2231159821028,

%U 19826045896926,182181813932571,1733395478474786,17237091890882863

%N Number of size n nonnegative integer arrays with new values introduced in increasing order from 0, and no 4 consecutive elements totalling n or more

%H R. H. Hardin, <a href="/A193059/b193059.txt">Table of n, a(n) for n = 1..61</a>

%e Some solutions for n=8

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

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

%e ..2....2....0....1....1....1....1....0....0....1....0....1....1....1....2....1

%e ..0....0....0....1....0....2....2....2....1....1....0....0....1....2....1....1

%e ..1....0....0....2....2....0....2....1....2....2....2....0....1....2....0....2

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Jul 15 2011

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Last modified March 29 05:16 EDT 2024. Contains 371264 sequences. (Running on oeis4.)