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%I #5 Mar 31 2012 12:35:55
%S 1,241,81751,2466535,34099017,356237575,3382161175,31040377215,
%T 281338882705,2538405887395,22865861038983,205856624277475,
%U 1852911128126185,16676836226840751,150093537945401959
%N Number of arrangements of n+3 numbers in 0..8 with each number being the sum mod 9 of three others
%C Column 8 of A183892
%H R. H. Hardin, <a href="/A183891/b183891.txt">Table of n, a(n) for n = 1..22</a>
%e Some solutions for n=2
%e ..0....3....3....0....8....6....0....3....1....6....3....6....6....3....6....0
%e ..3....6....3....3....6....8....6....6....3....0....6....3....2....1....6....3
%e ..6....0....3....3....2....2....6....0....7....6....3....3....8....4....3....6
%e ..6....6....0....6....6....6....3....6....3....3....0....3....6....7....0....6
%e ..6....6....6....3....5....5....0....0....4....0....0....0....5....3....0....0
%K nonn
%O 1,2
%A _R. H. Hardin_ Jan 07 2011
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