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A077799 Smoothly undulating palindromic primes of the general form (ab*10^m-ba)/99 exist for digit lengths a(n). 2
3, 5, 7, 9, 11, 15, 17, 21, 23, 25, 27, 31, 33, 37, 39, 43, 45, 51, 55, 57, 63, 65, 71, 77, 81, 83, 89, 95, 99, 109, 133, 139, 143, 145, 149, 161, 163, 195, 209, 219, 225, 229, 237, 243, 245, 277, 315, 357, 479, 513, 515, 537, 551, 561, 567, 583, 627, 849, 857 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Ray Chandler, Table of n, a(n) for n = 1..146

P. De Geest, SUPP's Sorted By Length

Index entries for sequences related to smoothly undulating palindromic primes

CROSSREFS

Cf. A062209-A062232, A059758, A032758.

Sequence in context: A165705 A209492 A118360 * A260124 A201646 A201647

Adjacent sequences:  A077796 A077797 A077798 * A077800 A077801 A077802

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Nov 16 2002.

EXTENSIONS

Edited by Ray Chandler, Aug 17 2011

STATUS

approved

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Last modified September 23 21:16 EDT 2017. Contains 292391 sequences.