|
| |
|
|
A114000
|
|
Number triangle related to divisors of 2n+1.
|
|
2
| |
|
|
1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1
(list; table; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,1
|
|
|
COMMENTS
| Rows sums are A099774. Rows as decimals give A114001.
|
|
|
FORMULA
| G.f.: Sum_{k>0} x^k/(1-x^(2k+1)).
|
|
|
EXAMPLE
| Triangle begins
1;
1,1;
1,0,1;
1,0,0,1;
1,1,0,0,1;
1,0,0,0,0,1;
1,0,0,0,0,0,1;
|
|
|
CROSSREFS
| Sequence in context: A158856 A154957 A140865 * A131218 A174391 A113998
Adjacent sequences: A113997 A113998 A113999 * A114001 A114002 A114003
|
|
|
KEYWORD
| easy,nonn,tabl
|
|
|
AUTHOR
| Paul Barry (pbarry(AT)wit.ie), Nov 12 2005
|
| |
|
|
