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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

REFERENCES

S. K. Ghosal, J. K. Mandal, Stirling Transform Based Color Image Authentication, Procedia Technology, 2013 Volume 10, 2013, Pages 95-104.

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-Fran├žois 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

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Last modified December 18 09:22 EST 2014. Contains 252122 sequences.