

A114574


a(n) = p*p! where p = prime(n).


2



4, 18, 600, 35280, 439084800, 80951270400, 6046686277632000, 2311256907767808000, 594596384994354462720000, 256411097818451356681764864000000, 254907998279515607349492449280000000, 509258864375374766713691244518493388800000000, 1371553591139716091434972544191070818271232000000000
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,1


REFERENCES

Originally published on Nov 09 2004 by indiejade(AT)gmail.com


LINKS

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


FORMULA

a(n) = A000040(n)*A039716(n).  Michel Marcus, Feb 08 2015
a(n) = A001563(A000040(n)).  Michel Marcus, Aug 04 2015


EXAMPLE

2 * 2! = 4, 3 * 3! = 18, 5 * 5! = 600.


MATHEMATICA

Array[Prime[#] Prime[#]! &, 13] (* Michael De Vlieger, Aug 04 2015 *)


PROG

(MAGMA) [p*Factorial(p): p in PrimesUpTo(50)]; // Vincenzo Librandi, Jun 09 2013


CROSSREFS

Cf. A000040 (prime(n)), A039716 (prime(n)!).
Sequence in context: A156522 A086400 A082022 * A295223 A173222 A156491
Adjacent sequences: A114571 A114572 A114573 * A114575 A114576 A114577


KEYWORD

nonn


AUTHOR

L. Shawnee Cook (shawneecook(AT)gmail.com), Feb 17 2006


STATUS

approved



