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A139189
a(n) = prime(n)!-1.
19
1, 5, 119, 5039, 39916799, 6227020799, 355687428095999, 121645100408831999, 25852016738884976639999, 8841761993739701954543615999999, 8222838654177922817725562879999999, 13763753091226345046315979581580902399999999, 33452526613163807108170062053440751665151999999999, 60415263063373835637355132068513997507264511999999999, 258623241511168180642964355153611979969197632389119999999999, 4274883284060025564298013753389399649690343788366813724671999999999999, 138683118545689835737939019720389406345902876772687432540821294940159999999999999
OFFSET
1,2
COMMENTS
Numbers of the form (prime(n)!-m)/m :
for m=1 see A139189
for m=2 see A139190
for m=3 see A139191
for m=4 see A139192
for m=5 see A139193
for m=6 see A139194
for m=7 see A139195
for m=8 see A139196
for m=9 see A139197
for m=10 see A139198
LINKS
FORMULA
a(n)=A039716(n)-1. - R. J. Mathar, May 25 2008
MATHEMATICA
Table[(Prime[n]! - 1)/1, {n, 1, 20}]
PROG
(PARI) a(n) = prime(n)!-1 \\ Charles R Greathouse IV, Apr 29 2015
(Magma) [(Factorial(NthPrime(n))-1): n in [1..20]]; // Vincenzo Librandi, Jun 02 2017
KEYWORD
nonn
AUTHOR
Artur Jasinski, Apr 11 2008
EXTENSIONS
More terms from R. J. Mathar, May 25 2008
STATUS
approved