A085326 a(n)=p is smallest prime such that rev(p)=n^j with some exponent, or 0 if no such prime exists [when e.g. n=1,n=3k or n=11k, k>1].

0, 2, 3, 61, 5, 0, 7, 61277761, 0, 0, 11, 0, 31, 41, 0, 61, 71, 0, 163, 2, 0, 0, 18258901387, 0, 5265674839116110941, 6716872795737314976899264656807717363719079328404119318887571869813, 0

Offset

1,2

Links

Table of n, a(n) for n=1..27.

Example

n=86: a(86)=6505868216024313214870917495263873755562243530151045641,
and rev[86]=86^28.

Crossrefs

Cf. A085298, A085299, A085300, A085324, A085325.

Sequence in context: A124083 A112098 A144545 * A062308 A072875 A093551

Adjacent sequences: A085323 A085324 A085325 * A085327 A085328 A085329

Keyword

nonn,base

Author

Labos Elemer, Jul 03 2003

Status

approved