|
| |
|
|
A103169
|
|
Start of seven consecutive primes whose digit reversals are also prime.
|
|
4
| |
|
|
2, 727, 733, 1193, 1201, 1213, 1217, 11897, 18719, 79379, 125627, 334759, 334771, 743989, 910909, 920957, 928429, 941449, 1093571, 1215079, 1407181, 1466533, 1518863, 1648553, 1770829, 3170743, 3300593, 7321943, 7682687, 7755581
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
EXAMPLE
| 1193, 1201, 1213, 1217, 1223, 1229 and 1231 are consecutive primes.
Their digit reversals, 3911, 1021, 3121, 7121, 3221, 9221 and 1321, are all prime.
|
|
|
CROSSREFS
| Cf. A007500, A103170, A103171, A103172.
Sequence in context: A153923 A167440 A156008 * A082438 A062066 A174368
Adjacent sequences: A103166 A103167 A103168 * A103170 A103171 A103172
|
|
|
KEYWORD
| base,nonn
|
|
|
AUTHOR
| Labos E. (labos(AT)ana.sote.hu), Jan 31 2005
|
|
|
EXTENSIONS
| Edited by David Wasserman (dwasserm(AT)earthlink.net), Sep 05 2006
|
| |
|
|
