A117155 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

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”).

Other ways to Give

A117155

List of smaller members p of the prime pairs (p,q) mentioned in A117300.

2, 11, 17, 29, 41, 59, 71, 1009, 1087, 1093, 1213, 1279, 1297, 1303, 1423, 1429, 1447, 1483, 1489, 1549, 1567, 1579, 1597, 1609, 1663, 1693, 1783, 1867, 1873, 1993, 1999, 2083, 2137, 2203, 2239, 2269, 2293, 2347, 2377, 2389, 2437, 2473, 2539, 2617, 2659

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Smaller of pair of n-digit primes with difference n.

LINKS

Table of n, a(n) for n=1..45.

EXAMPLE

17 is in the sequence because (1) it is a 2-digit prime number, (2) the next 2-digit prime number is 19 and (3) 19-17=2.

1009 is in the sequence because (1) it is a 4-digit prime number, (2) the next 4-digit prime number is 1013 and (3) 1013-1009=4.

CROSSREFS

Cf. A117300.