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A037152 Smallest prime > n!+1. 3
3, 5, 11, 29, 127, 727, 5051, 40343, 362897, 3628811, 39916817, 479001629, 6227020867, 87178291219, 1307674368043, 20922789888023, 355687428096031, 6402373705728037, 121645100408832089, 2432902008176640029 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Main entry for this sequence is A037153.

This sequence appears to be the same as the largest prime factor of the semiprimes in A190801. - Michel Lagneau, May 20 2011.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..100

FORMULA

a(n) = A151800(A000142(n)+1) = A000142(n) + A037153(n).

MATHEMATICA

NextPrime[Range[20]!+1] (* Harvey P. Dale, Apr 08 2012 *)

PROG

(Maxima) makelist(next_prime(n!+1), n,  1, 20);  [Bruno Berselli, May 20 2011]

(PARI) for(n=1, 100, print1(nextprime(n!+1), ", ")); /* Joerg Arndt, May 21 2011 */

CROSSREFS

Sequence in context: A095302 A000101 A253899 * A084748 A265784 A146243

Adjacent sequences:  A037149 A037150 A037151 * A037153 A037154 A037155

KEYWORD

nonn

AUTHOR

Jud McCranie

EXTENSIONS

Extended by Ray Chandler, Mar 07 2010

STATUS

approved

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Last modified November 14 10:20 EST 2019. Contains 329111 sequences. (Running on oeis4.)