|
|
A077012
|
|
Triangle in which n-th row contains all possible products of n-1 of the first n natural numbers in ascending order.
|
|
5
|
|
|
1, 1, 2, 2, 3, 6, 6, 8, 12, 24, 24, 30, 40, 60, 120, 120, 144, 180, 240, 360, 720, 720, 840, 1008, 1260, 1680, 2520, 5040, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 40320, 40320, 45360, 51840, 60480, 72576, 90720, 120960, 181440, 362880, 362880
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,3
|
|
COMMENTS
|
|
|
LINKS
|
|
|
FORMULA
|
|
|
EXAMPLE
|
1; 1,2; 2,3,6; 6,8,12,24; 24,30,40,60,120; ...
|
|
MAPLE
|
A077012_row := proc(n) local k; seq(n!/(n-k), k=0..n-1) end:
|
|
MATHEMATICA
|
Flatten[Table[n!/(n-k), {n, 10}, {k, 0, n-1}]] (* Harvey P. Dale, Dec 25 2011 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|