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A181575 Prime numbers which are impossible numbers of trailing zeros in the decimal representation of the factorial of any prime number. 1
5, 11, 17, 23, 29, 59, 61, 67, 73, 79, 83, 101, 127, 131, 167, 173, 179, 193, 199, 223, 229, 241, 281, 283, 307, 311, 317, 331, 337, 349, 367, 373, 379, 397, 409, 419, 431, 439, 449, 457, 461, 467, 479, 487, 491, 503, 509, 523, 541, 547, 563, 577, 587, 599 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Prime entries in A181573.
LINKS
FORMULA
A181573 INTERSECT A000040.
MATHEMATICA
f[n_] := IntegerExponent[ Prime@ n!, 10]; Select[ Complement[ Range[0, 600], Array[f, 360]], PrimeQ] (* Robert G. Wilson v, Nov 05 2010 *)
CROSSREFS
Cf. A181573.
Sequence in context: A144920 A051615 A063909 * A335070 A354748 A194384
KEYWORD
nonn,base
AUTHOR
Lekraj Beedassy, Nov 01 2010
EXTENSIONS
More terms from Robert G. Wilson v, Nov 05 2010
STATUS
approved

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Last modified August 13 12:59 EDT 2024. Contains 375142 sequences. (Running on oeis4.)