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A082436
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Palindromic primes with middle digit 1.
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0
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313, 919, 18181, 30103, 35153, 38183, 93139, 1201021, 1221221, 1281821, 1311131, 1371731, 1411141, 1461641, 1551551, 1611161, 1761671, 1831381, 1851581, 1881881, 1941491, 1951591, 1981891, 3001003, 3091903, 3181813, 3211123, 3241423
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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PROG
| (MAGMA) [ p: p in PrimesUpTo(200000000) | IsOdd(d) and D[(d+1) div 2] eq 1 and D eq Reverse(D) where d is #D where D is Intseq(p) ]; // Vincenzo Librandi, Apr 12 2011
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CROSSREFS
| Cf. A002385.
Sequence in context: A090287 A090514 A068681 * A108845 A200912 A123059
Adjacent sequences: A082433 A082434 A082435 * A082437 A082438 A082439
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KEYWORD
| nonn,base
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AUTHOR
| Lekraj Beedassy (blekraj(AT)yahoo.com), Apr 25 2003
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EXTENSIONS
| Added a(22) by Vincenzo Librandi, Apr 12 2011
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