|
|
A183891
|
|
Number of arrangements of n+3 numbers in 0..8 with each number being the sum mod 9 of three others
|
|
1
|
|
|
1, 241, 81751, 2466535, 34099017, 356237575, 3382161175, 31040377215, 281338882705, 2538405887395, 22865861038983, 205856624277475, 1852911128126185, 16676836226840751, 150093537945401959
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=2
..0....3....3....0....8....6....0....3....1....6....3....6....6....3....6....0
..3....6....3....3....6....8....6....6....3....0....6....3....2....1....6....3
..6....0....3....3....2....2....6....0....7....6....3....3....8....4....3....6
..6....6....0....6....6....6....3....6....3....3....0....3....6....7....0....6
..6....6....6....3....5....5....0....0....4....0....0....0....5....3....0....0
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|