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A264723 Primes of the form n! - prime(n). 0
17, 109, 5023, 479001563, 87178291157, 1307674367953, 20922789887947, 355687428095941, 6402373705727939, 2432902008176639929, 265252859812191058636308479999887, 13763753091226345046315979581580902399999843, 20397882081197443358640281739902897356799999833 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Subsequence of A261809. - Altug Alkan, Nov 22 2015

LINKS

Table of n, a(n) for n=1..13.

MATHEMATICA

Select[Table[n! - Prime[n], {n, 50}], PrimeQ]

PROG

(Magma) [a: n in [1..40] | IsPrime(a) where a is Factorial(n)-NthPrime(n)];

(PARI) for(n=1, 1e2, if(isprime(k=(n!-prime(n))), print1(k, ", "))) \\ Altug Alkan, Nov 22 2015

CROSSREFS

Cf. A063499, A064278, A064401, A261809.

Sequence in context: A297918 A298542 A261809 * A157099 A108649 A296260

Adjacent sequences: A264720 A264721 A264722 * A264724 A264725 A264726

KEYWORD

nonn

AUTHOR

Vincenzo Librandi, Nov 22 2015

STATUS

approved

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Last modified February 3 15:47 EST 2023. Contains 360035 sequences. (Running on oeis4.)