|
Search: id:A104713
|
|
|
| A104713 |
|
A truncated Pascal's Triangle read by rows, companion to A104712. |
|
+0
2
|
|
| 1, 4, 1, 10, 5, 1, 20, 15, 6, 1, 35, 35, 21, 7, 1, 56, 70, 56, 28, 8, 1, 84, 126, 126, 84, 36, 9
(list; table; graph; listen)
|
|
|
OFFSET
|
3,2
|
|
|
COMMENT
|
Row sums are A002662: 1, 5, 16, 42, 99, 219... A104712 deletes two leftmost columns of Pascal's Triangle (A007318).
|
|
FORMULA
|
Delete columns 0, 1, and 2 of Pascal's triangle (1, 1, 1...), (1, 2, 3...), and (1, 3, 6...) of A007318, preserving the rest of the terms as a triangle by rows.
|
|
EXAMPLE
|
First few rows of the triangle are:
1;
4, 1;
10, 5, 1;
20, 15, 6, 1;
35, 35, 21, 7, 1;
56, 70, 56, 28, 8, 1;
...
|
|
CROSSREFS
|
Cf. A007318, A104712, A002662.
Sequence in context: A108759 A039806 A030320 this_sequence A062145 A019213 A019128
Adjacent sequences: A104710 A104711 A104712 this_sequence A104714 A104715 A104716
|
|
KEYWORD
|
nonn,tabl,uned
|
|
AUTHOR
|
Gary W. Adamson (qntmpkt(AT)yahoo.com), Mar 19 2005
|
|
|
Search completed in 0.005 seconds
|
