A093649 Numbers n such that n.s.rev(n) is palindromic and prime, where '.' represents concatenation, rev(n) is the reversal of n and s is the sum of n and rev(n). Or, n such that A084998(n) is prime.

38, 92, 7924, 9382, 900002, 904702, 908302, 32274998, 32392898, 32465798, 32529698, 32556698, 32683598, 32929298, 33629588, 33692588, 33865388, 34692578, 34738478, 34747478, 34756478, 34856378, 35338868, 35483768

Offset

1,1

Links

Table of n, a(n) for n=1..24.

Example

a(1)=38 because 83+38=121 and 3812183 is palindromic and prime.

Crossrefs

Sequence in context: A235080 A218331 A124141 * A020167 A186439 A044225

Adjacent sequences: A093646 A093647 A093648 * A093650 A093651 A093652

Keyword

nonn,base

Author

Jason Earls, May 15 2004

Extensions

More terms from David Wasserman, Nov 03 2006

Status

approved