|
| |
|
|
A079642
|
|
Matrix product of unsigned Stirling1-triangle |A008275(n,k)| and Stirling1-triangle A008275(n,k).
|
|
0
|
|
|
|
1, 0, 1, 1, 0, 1, 1, 4, 0, 1, 8, 5, 10, 0, 1, 26, 58, 15, 20, 0, 1, 194, 217, 238, 35, 35, 0, 1, 1142, 2035, 1008, 728, 70, 56, 0, 1, 9736, 13470, 11611, 3444, 1848, 126, 84, 0, 1, 81384, 134164, 85410, 47815, 9660, 4116, 210, 120, 0, 1, 823392, 1243770, 983059
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,8
|
|
|
LINKS
|
Table of n, a(n) for n=1..58.
|
|
|
FORMULA
|
T(n, k) = Sum_{i=k..n} |A008275(n, i)| * A008275(i, k).
E.g.f.: (1-ln(1-x))^y. - Vladeta Jovovic, Nov 22 2003
|
|
|
EXAMPLE
|
1; 0,1; 1,0,1; 1,4,0,1; 8,5,10,0,1; 26,58,15,20,0,1; ...
|
|
|
CROSSREFS
|
Sequence in context: A154884 A201560 A059678 * A221483 A121408 A186761
Adjacent sequences: A079639 A079640 A079641 * A079643 A079644 A079645
|
|
|
KEYWORD
|
nonn,tabl
|
|
|
AUTHOR
|
Vladeta Jovovic, Jan 30 2003
|
|
|
STATUS
|
approved
|
| |
|
|
