|
|
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 4, 4, 1, 1, 1, 4, 4, 1, 1, 1, 6, 6, 24, 6, 6, 1, 1, 1, 6, 6, 6, 6, 1, 1, 1, 8, 8, 48, 12, 48, 8, 8, 1, 1, 9, 72, 72, 108, 108, 72, 72, 9, 1, 1, 10, 90, 720, 180, 1080, 180, 720, 90, 10, 1, 1, 1, 10, 90, 180, 180, 180, 180, 90, 10, 1, 1, 1, 12, 12, 120, 270
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,12
|
|
COMMENTS
|
Row sums are: 1, 2, 3, 4, 14, 12, 50, 28, 142, 524, 3082,...
|
|
LINKS
|
|
|
EXAMPLE
|
1;
1, 1;
1, 1, 1;
1, 1, 1, 1;
1, 4, 4, 4, 1;
1, 1, 4, 4, 1, 1;
1, 6, 6, 24, 6, 6, 1;
1, 1, 6, 6, 6, 6, 1, 1;
1, 8, 8, 48, 12, 48, 8, 8, 1;
1, 9, 72, 72, 108, 108, 72, 72, 9, 1;
1, 10, 90, 720, 180, 1080, 180, 720, 90, 10, 1;
|
|
MATHEMATICA
|
c[n_] := Product[If[i == 0, 1, If[PrimeQ[i], 1, i]], {i, 0, n}];
t[n_, m_] := c[n]/(c[m]*c[n - m]);
Table[Table[t[n, m], {m, 0, n}], {n, 0, 10}];
Flatten[%]
|
|
CROSSREFS
|
|
|
KEYWORD
|
|
|
AUTHOR
|
|
|
EXTENSIONS
|
Definition simplified by the Assoc. Editors of the OEIS, Mar 05 2010
|
|
STATUS
|
approved
|
|
|
|