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A267898 a(n) = prime(n)! + prime(n). 0
4, 9, 125, 5047, 39916811, 6227020813, 355687428096017, 121645100408832019, 25852016738884976640023, 8841761993739701954543616000029, 8222838654177922817725562880000031, 13763753091226345046315979581580902400000037 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..12.

FORMULA

a(n) = A039716(n) + A000040(n).

a(n) = A005095(A000040(n)).

MATHEMATICA

Array[Prime[#]! + Prime[#]&, 20]

#!+#&/@Prime[Range[20]] (* Harvey P. Dale, Aug 04 2016 *)

PROG

(MAGMA) [Factorial(p)+p: p in PrimesUpTo(40)];

(PARI) lista(nn) = forprime(p=2, nn, print1(p! + p, ", ")); \\ Altug Alkan, Jan 23 2016

CROSSREFS

Cf. A000040, A005095, A039716, A114574.

Sequence in context: A065379 A063783 A168138 * A324981 A128524 A027451

Adjacent sequences:  A267895 A267896 A267897 * A267899 A267900 A267901

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Jan 22 2016

STATUS

approved

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Last modified November 19 11:09 EST 2019. Contains 329319 sequences. (Running on oeis4.)