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A250350 Number of length n arrays x(i), i=1..n with x(i) in i..i+7 and no value appearing more than 2 times.

%I A250350 #6 Jul 23 2025 12:20:03
%S A250350 8,64,506,3935,30072,226247,1681860,12411486,91384716,671639928,
%T A250350 4929577344,36146749703,264885341958,1940349607935,14210290469006,
%U A250350 104055436365169,761877093233402,5577987879867728,40836880075623272
%N A250350 Number of length n arrays x(i), i=1..n with x(i) in i..i+7 and no value appearing more than 2 times.
%C A250350 Column 7 of A250351
%H A250350 R. H. Hardin, <a href="/A250350/b250350.txt">Table of n, a(n) for n = 1..210</a>
%H A250350 R. H. Hardin, <a href="/A250350/a250350.txt">Empirical recurrence of order 96</a>
%F A250350 Empirical recurrence of order 96 (see link above)
%e A250350 Some solutions for n=5
%e A250350 ..2....3....1....0....2....5....3....5....1....1....5....7....4....6....1....0
%e A250350 ..8....8....4....2....8....5....6....7....3....2....5....5....7....4....5....2
%e A250350 ..5....4....2....5....9....2....8....8....2....2....6....5....8....5....9....2
%e A250350 ..9....8....8....3....7....8...10....4...10....4....8...10....6....3....6...10
%e A250350 .10....4....8....8....5....4....4....8....4....8....4...10....7....9....6...10
%K A250350 nonn
%O A250350 1,1
%A A250350 _R. H. Hardin_, Nov 19 2014