|
| |
| |
|
|
|
1, 1, 1, 2, 2, 1, 2, 4, 3, 1, 3, 6, 7, 4, 1, 3, 9, 13, 11, 5, 1, 4, 12, 22, 24, 16, 6, 1, 4, 16, 34, 46, 40, 22, 7, 1, 5, 20, 50, 80, 86, 62, 29, 8, 1, 5, 25, 70, 130, 166, 148, 91, 37, 9, 1
(list; table; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,4
|
|
|
COMMENTS
| Row sums = A000975: (1, 2, 5, 10, 21, 42, 85, 170,...) A007318 * A128174 = A128175
|
|
|
FORMULA
| A128174 * A007318 (Pascal's triangle), as infinite lower triangular matrices.
|
|
|
EXAMPLE
| First few rows of the triangle are:
1;
1, 1;
2, 2, 1;
2, 4, 3, 1;
3, 6, 7, 4, 1;
3, 9, 13, 11, 5, 1;
4, 12, 22, 24, 16, 6, 1;
4, 16, 34, 46, 40, 22, 7, 1;
...
|
|
|
CROSSREFS
| Cf. A000975, A128175, A007318.
Cf. A035317 (mirror) [Johannes W. Meijer, Jul 20 2011]
Sequence in context: A029262 A193292 A129687 * A144963 A035374 A048299
Adjacent sequences: A128173 A128174 A128175 * A128177 A128178 A128179
|
|
|
KEYWORD
| nonn,tabl
|
|
|
AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Feb 17 2007
|
| |
|
|