|
|
A143119
|
|
Triangle read by rows, A051731 * A026741 * 0^(n-k), 1<=k<=n.
|
|
1
|
|
|
1, 1, 1, 1, 0, 3, 1, 1, 0, 2, 1, 0, 0, 0, 5, 1, 1, 3, 0, 0, 3, 1, 0, 0, 0, 0, 0, 7, 1, 1, 0, 2, 0, 0, 0, 4, 1, 0, 3, 0, 0, 0, 0, 0, 9, 1, 1, 0, 0, 5, 0, 0, 0, 0, 5, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 1, 1, 3, 2, 0, 30, 0, 0, 0, 0, 6, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 1, 1, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 7
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,6
|
|
COMMENTS
|
Row sums = A002131: (1, 2, 4, 4, 6, 8, 8, 8, 13,...).
|
|
LINKS
|
|
|
FORMULA
|
Triangle read by rows, A051731 * A026741 * 0^(n-k), 1<=k<=n, where A026741 starts (1, 1, 3, 2, 5, 3, 7, 4, 9,...).
|
|
EXAMPLE
|
First few rows of the triangle are:
1;
1, 1;
1, 0, 3;
1, 1, 0, 2;
1, 0, 0, 0, 5;
1, 1, 3, 0, 0, 3;
1, 0, 0, 0, 0, 0, 7;
1, 1, 0, 2, 0, 0, 0, 4;
...
|
|
CROSSREFS
|
|
|
KEYWORD
|
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|