|
| |
|
|
A085507
|
|
Stirling transform of the prime characteristic function.
|
|
0
|
|
|
|
0, 0, 1, 4, 13, 41, 136, 505, 2171, 10693, 58246, 340242, 2095435, 13492077, 90267633, 623383765, 4414350135, 31899350954, 235002008725, 1773013299342, 13855253098226, 114135759054965, 1010686200326760, 9744658443894282
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,4
|
|
|
LINKS
|
Table of n, a(n) for n=0..23.
Eric Weisstein's World of Mathematics, Stirling Transform
|
|
|
MATHEMATICA
|
a[n_] := Sum[ StirlingS2[n, k]*Boole[PrimeQ[k]], {k, 0, n}]; Table[a[n], {n, 0, 23}] (* Jean-François Alcover, Oct 29 2012 *)
|
|
|
CROSSREFS
|
Sequence in context: A141364 A001453 A005002 * A121654 A186202 A036366
Adjacent sequences: A085504 A085505 A085506 * A085508 A085509 A085510
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
Eric W. Weisstein, Jul 02, 2003
|
|
|
STATUS
|
approved
|
| |
|
|
