|
|
A192562
|
|
a(n) = sum(abs(stirling1(n,k))*stirling2(n+1,k+1)*k!,k=0..n).
|
|
0
|
|
|
1, 1, 5, 56, 1024, 27114, 969128, 44610432, 2556362016, 177733575120, 14692805761512, 1420846650571776, 158583233552744064, 20199186787986074400, 2908060636034265554880, 469318752131725598874624, 84293191721843435282950656
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,3
|
|
LINKS
|
|
|
MATHEMATICA
|
Table[Sum[Abs[StirlingS1[n, k]]StirlingS2[n+1, k+1]k!, {k, 0, n}], {n, 0, 100}]
|
|
PROG
|
(Maxima) makelist(sum(abs(stirling1(n, k))*stirling2(n+1, k+1)*k!, k, 0, n), n, 0, 24);
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|