|
|
A184346
|
|
Number of strings of numbers x(i=1..n) in 0..7 with sum i^4*x(i) equal to n^4*7
|
|
0
|
|
|
1, 1, 2, 1, 7, 16, 45, 628, 1612, 14387, 52539, 275568, 1397560, 5222290, 30835346, 108322293, 606465366, 2386082882
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,3
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
All solutions for n=5
..0....0....2....0....0....1....3
..4....0....0....2....6....7....5
..2....0....1....1....3....0....0
..4....0....7....2....6....2....7
..5....7....4....6....4....6....4
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|