|
| |
|
|
A082441
|
|
Palindromic primes with middle digit 5.
|
|
0
| |
|
|
5, 151, 353, 757, 10501, 15551, 16561, 31513, 33533, 34543, 36563, 37573, 70507, 75557, 97579, 1035301, 1055501, 1065601, 1085801, 1145411, 1175711, 1215121, 1235321, 1245421, 1335331, 1535351, 1565651, 1685861, 1695961, 1755571, 1805081, 1865681, 1895981
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
PROG
| (MAGMA) [ p: p in PrimesUpTo(200000000) | IsOdd(d) and D[(d+1) div 2] eq 5 and D eq Reverse(D) where d is #D where D is Intseq(p) ]; // Vincenzo Librandi, Apr 12 2011
|
|
|
CROSSREFS
| Cf. A002385.
Sequence in context: A075186 A113560 A094364 * A096065 A041431 A107691
Adjacent sequences: A082438 A082439 A082440 * A082442 A082443 A082444
|
|
|
KEYWORD
| nonn,base
|
|
|
AUTHOR
| Lekraj Beedassy (blekraj(AT)yahoo.com), Apr 25 2003
|
|
|
EXTENSIONS
| Added a(3), a(12), a(27), a(29) by Vincenzo Librandi, Apr 12 2011
|
| |
|
|
