|
|
A143110
|
|
Triangle read by rows, A051731 * A000034 * 0^(n-k), 1<=k<=n.
|
|
1
|
|
|
1, 1, 2, 1, 0, 1, 1, 2, 0, 2, 1, 0, 0, 0, 1, 1, 2, 1, 0, 0, 2, 1, 0, 0, 0, 0, 0, 1, 1, 2, 0, 2, 0, 0, 0, 2, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 2, 0, 0, 1, 0, 0, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 1, 2, 0, 2, 0, 0, 0, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 2
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,3
|
|
COMMENTS
|
Row sums = A069735: (1, 3, 2, 5, 2, 6, 2, 7,...).
T(n,k) = 2 if k is even and divides n, 1 if k is odd and divides n; 0 otherwise.
|
|
LINKS
|
|
|
FORMULA
|
Triangle read by rows, A051731 * A000034 * 0^(n-k), 1<=k<=n; where A051731 = the inverse Mobius transform and A000034 = (1, 2, 1, 2, 1, 2,...).
|
|
EXAMPLE
|
First few rows of the triangle are:
1;
1, 2;
1, 0, 1;
1, 2, 0, 2;
1, 0, 0, 0, 1;
1, 2, 1, 0, 0, 2;
1, 0, 0, 0, 0, 0, 1;
...
|
|
CROSSREFS
|
|
|
KEYWORD
|
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|