login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A188142
Least prime in arithmetic progression of n twin prime pairs.
0
2, 3, 5, 11, 41, 41, 51341, 3005291
OFFSET
1,1
COMMENTS
for n=1 2 is the least twin of 2,3
for n=2 3 is the least twin of 3,5 and 5,7
for n=3 5 is the least twin of 5,7, 11,13, and 17,19
for n=4 11 is the least twin of 11,13, 41,43, 71,73, and 101,103
a(n) + d(n)*k is prime for k=0 to n-1, for d(n) = 0,2,6,30,420,420,16590,1517670,...
CROSSREFS
Sequence in context: A323611 A113734 A222007 * A276531 A276532 A003686
KEYWORD
nonn,hard
AUTHOR
Pierre CAMI, Apr 02 2011
STATUS
approved