|
|
A121514
|
|
Row 7 of array in A105272.
|
|
1
|
|
|
2, 2, 4, 14, 6, 12, 30, 4, 4, 20, 15, 70, 30, 18, 10, 10, 48, 72, 24, 25, 133, 7, 7, 42, 240, 40, 33, 182, 6, 6, 66, 126, 24, 104, 84, 6, 6, 84, 260, 24, 44, 4, 4, 4, 276, 660, 21, 390, 57, 3, 3, 102, 72, 1680, 1232, 6006, 8, 8, 6552, 1440, 5698, 40, 1380, 70, 70, 54, 6048
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
7,1
|
|
LINKS
|
|
|
MATHEMATICA
|
k = 7;
Table[fp = {};
For[col = k, col > 0, col--,
For[row = 0, col + row*k <= n, row++,
AppendTo[fp, col + row*k]]];
LCM @@ Length /@ First[FindPermutation[Range[n], fp]], {n, k,
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
N. J. A. Sloane, Aug 10 2008, based on email from Samuel Minter (abulsme(AT)abulsme.com0, May 08 2008, Aug 10 2008
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|