|
|
A192547
|
|
sum(stirling1(n,k)*stirling1(n+1,k+1),k=0..n).
|
|
1
|
|
|
1, 1, 4, 41, 746, 20952, 837222, 45064203, 3140545942, 274969698158, 29537121873656, 3818716753252766, 584845275604394884, 104699320897565702206, 21661251169082551846770, 5128537368950263252563795, 1377694241395636643874812070
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,3
|
|
LINKS
|
|
|
MATHEMATICA
|
Table[Sum[StirlingS1[n, k]StirlingS1[n+1, k+1], {k, 0, n}], {n, 0, 100}]
|
|
PROG
|
(Maxima) makelist(sum(stirling1(n, k)*stirling1(n+1, k+1), k, 0, n), n, 0, 24);
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|