|
| |
|
|
A065994
|
|
a(n) = prime(prime(n) - n), prime = A000040.
|
|
1
| |
|
|
2, 2, 3, 5, 13, 17, 29, 31, 43, 67, 71, 97, 107, 109, 131, 157, 181, 191, 223, 233, 239, 269, 281, 313, 359, 379, 383, 401, 409, 431, 503, 523, 569, 571, 619, 631, 659, 691, 719, 751, 787, 797, 857, 859, 881, 883, 971, 1039, 1061, 1063, 1091, 1117, 1123
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
LINKS
| Harry J. Smith, Table of n, a(n) for n=1,...,1000
|
|
|
FORMULA
| a(n) = A000040(A014689(n)). - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 06 2003
|
|
|
MATHEMATICA
| Table[Prime[Prime[n]-n], {n, 60}] (* From Harvey P. Dale, Sep 04 2011 *)
|
|
|
PROG
| (PARI) { for (n=1, 1000, a=prime(prime(n) - n); write("b065994.txt", n, " ", a) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Nov 06 2009]
|
|
|
CROSSREFS
| Sequence in context: A089541 A065843 A111264 * A152446 A055937 A090255
Adjacent sequences: A065991 A065992 A065993 * A065995 A065996 A065997
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Dec 10 2001
|
| |
|
|
