A139189 a(n) = prime(n)!-1.

1, 5, 119, 5039, 39916799, 6227020799, 355687428095999, 121645100408831999, 25852016738884976639999, 8841761993739701954543615999999, 8222838654177922817725562879999999, 13763753091226345046315979581580902399999999, 33452526613163807108170062053440751665151999999999, 60415263063373835637355132068513997507264511999999999, 258623241511168180642964355153611979969197632389119999999999, 4274883284060025564298013753389399649690343788366813724671999999999999, 138683118545689835737939019720389406345902876772687432540821294940159999999999999

Offset: 1

Author

Artur Jasinski, Apr 11 2008

Keywords

• nonn

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

• Alois P. Heinz, Table of n, a(n) for n = 1..85

Crossrefs

Cf. A139189, A139190, A139191, A139192, A139193, A139194, A139195, A139196, A139197, A139198.

Programs

Magma

[(Factorial(NthPrime(n))-1): n in [1..20]]; // Vincenzo Librandi, Jun 02 2017

Mathematica

Table[(Prime[n]! - 1)/1, {n, 1, 20}]

PARI

a(n) = prime(n)!-1 \\ Charles R Greathouse IV, Apr 29 2015

Formula

a(n)=A039716(n)-1. - R. J. Mathar, May 25 2008

Extensions

More terms from R. J. Mathar, May 25 2008