|
| |
| |
|
|
|
1, 3, 3, 5, 3, 5, 7, 4, 4, 7, 9, 5, 5, 5, 9, 11, 6, 6, 6, 6, 11, 13, 7, 7, 7, 7, 7, 13, 15, 8, 8, 8, 8, 8, 8, 15, 17, 9, 9, 9, 9, 9, 9, 9, 17, 19, 10, 10, 10, 10, 10, 10, 10, 10, 19
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,2
|
|
|
COMMENTS
|
Row sums = A028872: (1, 6, 13, 22, 33, 46,...).
|
|
|
LINKS
|
Table of n, a(n) for n=0..54.
|
|
|
FORMULA
|
A002024 + A131821 - A000012 as infinite lower triangular matrices.
|
|
|
EXAMPLE
|
First few rows of the triangle are:
1;
3, 3;
5, 3, 5;
7, 4, 4, 7;
9, 5, 5, 5, 9;
11, 6, 6, 6, 6, 11;
13, 7, 7, 7, 7, 7, 13;
...
|
|
|
CROSSREFS
|
Cf. A002024, A131821, A000012, A028872.
Sequence in context: A182731 A101772 A158894 * A185154 A204022 A131832
Adjacent sequences: A131916 A131917 A131918 * A131920 A131921 A131922
|
|
|
KEYWORD
|
nonn,tabl
|
|
|
AUTHOR
|
Gary W. Adamson, Jul 28 2007
|
|
|
STATUS
|
approved
|
| |
|
|
