|
|
A099658
|
|
a(n) is the smallest prime greater than 4(10^n - 1)/9.
|
|
1
|
|
|
2, 5, 47, 449, 4447, 44449, 444449, 4444469, 44444453, 444444457, 4444444447, 44444444497, 444444444461, 4444444444493, 44444444444459, 444444444444461, 4444444444444463, 44444444444444461, 444444444444444469, 4444444444444444537, 44444444444444444447
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,1
|
|
COMMENTS
|
a(n) = smallest prime > A002278(n).
|
|
LINKS
|
|
|
EXAMPLE
|
n=4: 44 is followed by 47.
|
|
MATHEMATICA
|
(First define NextPrime as in A057447) Table[NextPrime[4*(10^n-1)/9], {n, 0, 35}]
|
|
CROSSREFS
|
|
|
KEYWORD
|
base,nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|