|
Search: id:A133091
|
|
| |
|
| 1, 2, 2, 1, 2, 3, 2, 4, 6, 4, 1, 2, 3, 4, 5, 2, 4, 6, 8, 10, 6, 1, 2, 3, 4, 5, 6, 7, 2, 4, 6, 8, 10, 12, 14, 8, 1, 2, 3, 4, 5, 6, 7, 8, 9, 2, 4, 6, 8, 10, 12, 14, 26, 18, 10
(list; table; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
COMMENT
|
Row sums = A133092: (1, 4, 6, 16, 15, 36, 28,...).
|
|
FORMULA
|
A133080 * A002260 as infinite lower triangular matrices. Odd n rows = (1,2,3,...n). Even n rows = (2,4,6,...n).
|
|
EXAMPLE
|
First few rows of the triangle are:
1;
2, 2;
1, 2, 3;
2, 4, 6, 4;
1, 2, 3, 4, 5;
2, 4, 6, 8, 10, 6;
1, 2, 3, 4, 5, 6, 7;
...
|
|
CROSSREFS
|
Cf. A133080, A002260, A133092.
Sequence in context: A022872 A091423 A029251 this_sequence A112204 A129710 A070680
Adjacent sequences: A133088 A133089 A133090 this_sequence A133092 A133093 A133094
|
|
KEYWORD
|
nonn,tabl
|
|
AUTHOR
|
Gary W. Adamson (qntmpkt(AT)yahoo.com), Sep 09 2007
|
|
|
Search completed in 0.002 seconds
|
