|
| |
|
|
A147767
|
|
Triangle read by rows, square of A116598.
|
|
2
|
|
|
|
1, 0, 1, 2, 0, 1, 2, 2, 0, 1, 5, 2, 2, 0, 1, 6, 5, 2, 2, 0, 1, 6, 5, 2, 2, 0, 1, 13, 6, 5, 2, 2, 0, 1, 16, 13, 6, 5, 2, 2, 0, 1, 30, 16, 13, 6, 5, 2, 2, 0, 1, 40, 30, 16, 13, 6, 5, 2, 2, 0, 1, 40, 30, 16, 13, 6, 5, 2, 2, 0, 1
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,4
|
|
|
COMMENTS
|
Row sums = A000990: (1, 1, 3, 5, 10, 16, 29, 45, ...).
|
|
|
LINKS
|
Table of n, a(n) for n=0..70.
|
|
|
FORMULA
|
Triangle read by rows, A116598^2. A147766 in every column.
|
|
|
EXAMPLE
|
First few rows of the triangle:
1;
0, 1;
2, 0, 1;
2, 2, 0, 1;
5, 2, 2, 0, 1;
6, 5, 2, 2, 0, 1;
13, 6, 5, 2, 2, 0, 1;
16, 13, 6, 5, 2, 2, 0, 1;
...
|
|
|
CROSSREFS
|
Cf. A147766, A000990.
Sequence in context: A035465 A096144 A118401 * A113678 A305436 A328708
Adjacent sequences: A147764 A147765 A147766 * A147768 A147769 A147770
|
|
|
KEYWORD
|
nonn,tabl
|
|
|
AUTHOR
|
Gary W. Adamson, Nov 11 2008
|
|
|
EXTENSIONS
|
Typo in formula corrected by Olivier Gérard, Jul 25 2016
|
|
|
STATUS
|
approved
|
| |
|
|
