|
Search: id:A117093
|
|
|
| A117093 |
|
Numbers n such that nextprime(3*n)>3*nextprime(n) (if p is prime then nextprime(p)=p). |
|
+0
1
|
|
| 2, 3, 5, 7, 11, 13, 16, 17, 18, 19, 23, 28, 29, 30, 31, 37, 38, 39, 40, 41, 43, 47, 53, 58, 59, 61, 67, 71, 72, 73, 78, 79, 81, 82, 83, 88, 89, 95, 96, 97, 98, 99, 100
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
EXAMPLE
|
nextprime(3*13)=41 and nextprime(3)*nextprime(13)=3*13=39 then 13 is member because 41>39
|
|
PROGRAM
|
(PARI) for(i=1, 100, if(nextprime(3*i)<nextprime(3)*nextprime(i), print1(i, ", ")))
|
|
CROSSREFS
|
Sequence in context: A121615 A097605 A086070 this_sequence A062063 A026478 A084111
Adjacent sequences: A117090 A117091 A117092 this_sequence A117094 A117095 A117096
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Mohammed Bouayoun (mohammed.bouayoun(AT)sanef.com), Apr 18 2006
|
|
|
Search completed in 0.002 seconds
|
