cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A062232 Numbers k such that the smoothly undulating palindromic number (98*10^k - 89)/99 is a prime.

Original entry on oeis.org

9, 161, 219, 4859, 21989, 52931, 88595
Offset: 1

Views

Author

Patrick De Geest and Hans Rosenthal (Hans.Rosenthal(AT)t-online.de), Jun 15 2001

Keywords

Comments

Prime versus probable prime status and proofs are given in the author's table.
No further terms < 100000. - Ray Chandler, Aug 17 2011

Examples

			k=9 -> (98*10^9 - 89)/99 = 989898989.
		

Crossrefs

Extensions

a(6)=52931 from Ray Chandler, Nov 11 2010
a(7)=88595 from Ray Chandler, Jul 23 2011
Edited by Ray Chandler, Aug 17 2011
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