A082770 a(n) = smallest palindromic prime that begins with A082768(n) and contains more than twice the number of digits in A082768(n), or 0 if no such number exists.

101, 313, 727, 919, 10301, 11311, 12421, 13331, 14341, 15451, 16061, 17471, 18181, 19391, 30103, 31013, 32323, 33533, 34543, 35053, 36263, 37273, 38083, 39293, 70207, 71317, 72227, 73037, 74047, 75557, 76367, 77377, 78487, 79397, 90709

Offset: 1

Author

Amarnath Murthy, Apr 18 2003

Keywords

• base
• nonn

Comments

Conjecture: no entry is zero. In most cases the number of digits required is 2k+1 where k is the number of digits in A082768(n). What is the first entry that requires more (than 2k+1) digits?

Answer to question: A082768(37) = 92, a(37) = 9200029. - David Wasserman, Jul 28 2005

Crossrefs

Cf. A082768, A082769.

Extensions

More terms from David Wasserman, Jul 28 2005