|
Search: id:A094124
|
|
|
| A094124 |
|
First prime in prime(p) - n, where p is prime and n is even. |
|
+0
1
|
|
| 3, 7, 5, 3, 7, 5, 3, 43, 13, 11, 19, 7, 5, 3, 11, 179, 7, 5, 3, 19, 17, 23, 13, 11, 17, 7, 5, 3, 373, 7, 5, 3, 17, 41, 13, 11, 53, 7, 5, 3, 97, 43, 23, 103, 19, 17, 97, 13, 11, 79, 7, 5, 3, 19, 17, 67, 13, 11, 61, 7, 5, 3, 31, 29, 61, 47, 23, 43, 19, 17, 37, 13, 11, 31, 7, 5, 3, 23, 53
(list; graph; listen)
|
|
|
OFFSET
|
2,1
|
|
|
COMMENT
|
Conjecture: This sequence, extended to infinity, contains all odd primes.
|
|
EXAMPLE
|
Prime(7) - 16 = 1 not prime
Prime(11)- 16 = 15 not prime
Prime(13)- 16 = 25 not prime
Prime(17)- 16 = 43 prime
|
|
PROGRAM
|
(PARI) a(n, m) = { forstep(j=2, m, 2, forprime(x=2, n, y=prime(x)- j; if(isprime(y), print1(y", "); break) ) ) }
|
|
CROSSREFS
|
Adjacent sequences: A094121 A094122 A094123 this_sequence A094125 A094126 A094127
Sequence in context: A065084 A132742 A021910 this_sequence A141519 A029946 A021731
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Cino Hilliard (hillcino368(AT)gmail.com), May 31 2004
|
|
|
Search completed in 0.002 seconds
|
