|
Search: id:A143258
|
|
| |
|
| 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 4, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 6, 1, 1, 1, 1, 1, 1, 4, 2, 1, 1, 1, 1, 1, 1, 6, 2, 2, 1, 1, 1, 1, 1, 1, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
(list; table; graph; listen)
|
|
|
OFFSET
|
1,4
|
|
|
COMMENT
|
Left border = phi(n), A000010.
Row sums = A029935: (1, 2, 4, 5, 8, 8, 12, 12,...)
|
|
FORMULA
|
Mobius transform of triangle A143257
|
|
EXAMPLE
|
First few rows of the triangle =
1;
1, 1;
2, 1, 1;
2, 1, 1, 1;
4, 1, 1, 1, 1;
2, 2, 1, 1, 1, 1;
6, 1, 1, 1, 1, 1, 1;
...
|
|
CROSSREFS
|
Cf. A143257, A054525, A029935, A000010.
Sequence in context: A034003 A026835 A117975 this_sequence A027199 A140218 A159704
Adjacent sequences: A143255 A143256 A143257 this_sequence A143259 A143260 A143261
|
|
KEYWORD
|
nonn,tabl
|
|
AUTHOR
|
Gary W. Adamson (qntmpkt(AT)yahoo.com), Aug 02 2008
|
|
|
Search completed in 0.002 seconds
|
