|
Search: id:A133805
|
|
| |
|
| 1, 2, 1, 4, 3, 1, 7, 6, 4, 1, 11, 10, 11, 5, 1, 16, 15, 25, 15, 6, 22, 21, 50, 35, 22, 7, 1, 29, 28, 91, 70, 63, 28, 8, 1, 37, 36, 154, 126, 154, 84, 37, 9, 1, 46, 45, 246, 210, 336, 210, 129, 45, 10, 1
(list; table; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
COMMENT
|
Row sums = A133806: (1, 3, 8, 18, 38, 78, 318,...). Left column = A000124.
|
|
FORMULA
|
Binomial transform of (A133566 * A133080) where (A133566 * A133080) = an infinite lower triangular matrix with (1,1,1,...) in the main and subdiagonals and (1,0,1,0,1,...) in the subsubdiagonal.
|
|
EXAMPLE
|
First few rows of the triangle are:
1;
2, 1;
4, 3, 1;
7, 6, 4, 1;
11, 10, 11, 5, 1;
16, 15, 25, 15, 6, 1;
22, 21, 50, 35, 22, 7, 1;
29, 28, 91, 70, 63, 28, 8, 1;
...
|
|
CROSSREFS
|
Cf. A133804, A133806. A133080, A133566, A000124.
Sequence in context: A048790 A027421 A131252 this_sequence A131254 A134626 A115450
Adjacent sequences: A133802 A133803 A133804 this_sequence A133806 A133807 A133808
|
|
KEYWORD
|
nonn,tabl
|
|
AUTHOR
|
Gary W. Adamson (qntmpkt(AT)yahoo.com), Sep 23 2007
|
|
|
Search completed in 0.002 seconds
|
