OFFSET
1,1
COMMENTS
Some nonsquare brilliant numbers in the sequence: 70597 = 227*311 (79507 = 43^3), 76121 = 163*467 (12167 = 23^3), 211591 = 457*463 (195112 = 58^3), 291149 = 359*811 (941192 = 98^3) ...
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..14430
EXAMPLE
215 is a term because 215 = 5*43 and 512 = 2^9.
MATHEMATICA
Revfn[n_]:=FromDigits[Reverse[IntegerDigits[n]]]; Select[Range[30000], Revfn[#]>1&&PrimeOmega[#]==2&&ResourceFunction["PerfectPowerQ"][Revfn[#]]&] (* James C. McMahon, Apr 02 2024 *)
PROG
(PARI) isok(n) = (bigomega(n)==2) && ispower(subst(Polrev(digits(n)), x, 10)); \\ Michel Marcus, Jun 03 2016
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Jason Earls, Jul 11 2005
STATUS
approved