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A049984 Primes of form n!-(n-1)!+1. 2
2, 5, 19, 97, 601, 35281, 5748019201, 2311256907767808001, 594596384994354462720001, 5382999938946608755288342267304597177897268019200000000001, 136332557214406957166109544809874331662074014454506289616400595025920000000000001 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Primes in A188914.

MATHEMATICA

f[n_]:=n!+n; lst={}; Do[If[PrimeQ[f[n+1]-f[n]], AppendTo[lst, f[n+1]-f[n]]], {n, 0, 5!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jun 27 2009]

CROSSREFS

Cf. A188914. For more terms see A049432.

Sequence in context: A020109 A020015 A188914 * A052866 A007003 A020117

Adjacent sequences:  A049981 A049982 A049983 * A049985 A049986 A049987

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 15 04:59 EST 2012. Contains 205694 sequences.