A144247 Prime numbers of the form 11^k +- 10.

131, 1321, 214358891, 505447028499293761, 5559917313492231491, 895430243255237372246521, 20796505671840591460586660430317517562942313712635618374571

Offset

1,1

Comments

The next terms are

539407797827634189900210968137750826278309533633974732577186113975171

and 18621820132595144528407508578788012958402726053563392593510831217730632927190897881.

The next larger term is 11^273 - 10 and there are no further terms for k < 1001.

It is conjectured that 131 is the only palindrome in the sequence.

Links

Table of n, a(n) for n=1..7.

Crossrefs

Cf. A000040, A000668, A144231, A144232, A144233, A144234, A144236, A144242, A144245, A144246.

Sequence in context: A281393 A169645 A221154 * A161197 A254641 A322881

Adjacent sequences: A144244 A144245 A144246 * A144248 A144249 A144250

Keyword

nonn

Author

Reikku Kulon, Sep 15 2008

Status

approved