A085299 a(n) is the smallest number x such that A085298[x]=n, or 0 if no such number exists.

1, 8, 47, 18, 14, 89, 10, 9, 48, 16, 23, 17, 168, 268, 15, 661, 50, 380, 84, 116, 360, 245, 29, 144, 345, 227, 785, 261, 148, 235, 691, 658, 638, 40, 1023, 674, 1529, 210, 19, 81, 181, 428, 170, 1130, 2322, 406, 600, 373, 958, 217

Offset

1,2

Links

Table of n, a(n) for n=1..50.

Example

a(13) = 168 means that 13 is the smallest exponent such that reversed[p(168)^13] = reversed[997^13] = 776831144302925059735912605306533496169
is prime if read in this direction and 13th prime-power if read backwards.

Crossrefs

Cf. A085298, A057708, A058993, A056994, A059695, A003459, A007500, A055387, A061461, A068652.

Sequence in context: A317224 A368269 A132113 * A160640 A230622 A026983

Adjacent sequences: A085296 A085297 A085298 * A085300 A085301 A085302

Keyword

base,nonn

Author

Labos Elemer, Jun 24 2003

Status

approved