|
| |
| |
|
|
|
1, 5, 2, 12, 4, 3, 22, 6, 5, 4, 35, 8, 7, 6, 5, 51, 10, 9, 8, 7, 6, 70, 12, 11, 10, 9, 8, 7, 92, 14, 13, 12, 11, 10, 9, 8, 117, 16, 15, 14, 13, 12, 11, 10, 9, 145, 18, 17, 16, 15, 14, 13, 12, 11, 10
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,2
|
|
|
COMMENTS
|
Row sums = A003215: (1, 7, 19, 37, 61, 91,...). Left border = A000326: (1, 5, 12, 22, 35,...). A130299 = A130296 * A051340.
|
|
|
LINKS
|
Table of n, a(n) for n=1..55.
|
|
|
FORMULA
|
A051340 * A130296 as infinite lower triangular matrices.
|
|
|
EXAMPLE
|
First few rows of the triangle are:
1;
5, 2;
12, 4, 3;
22, 6, 5, 4;
35, 8, 7, 6, 5;
51, 10, 9, 8, 7, 6;
70, 12, 11, 10, 9, 8, 7;
...
|
|
|
CROSSREFS
|
Cf. A051340, A130296, A003215, A000326.
Sequence in context: A275509 A286142 A286143 * A128116 A082153 A283944
Adjacent sequences: A130295 A130296 A130297 * A130299 A130300 A130301
|
|
|
KEYWORD
|
nonn,tabl
|
|
|
AUTHOR
|
Gary W. Adamson, May 20 2007
|
|
|
STATUS
|
approved
|
| |
|
|
