|
Search: id:A067848
|
|
|
| A067848 |
|
prime(n)+1 divides prime(n^2)+1. |
|
+0
1
|
| |
|
|
OFFSET
|
1,2
|
|
|
COMMENT
|
a(9) > 3*10^5. [From Donovan Johnson (donovan.johnson(AT)yahoo.com), Nov 15 2009]
|
|
EXAMPLE
|
prime(3)+1 = 6, prime(3^2)+1 = 30, so 3 is a term of the sequence.
|
|
MATHEMATICA
|
Select[Range[10^5], Mod[Prime[ #^2] + 1, Prime[ # ] + 1] == 0 &]
|
|
CROSSREFS
|
Sequence in context: A073997 A007118 A012572 this_sequence A139802 A063666 A006247
Adjacent sequences: A067845 A067846 A067847 this_sequence A067849 A067850 A067851
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Feb 14 2002
|
|
EXTENSIONS
|
a(7)-a(8) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Nov 15 2009
|
|
|
Search completed in 0.002 seconds
|
