A046373 Numbers of the form p*q*r where p,q,r are (not necessarily distinct) odd palindromic primes (odd terms from A002385).

27, 45, 63, 75, 99, 105, 125, 147, 165, 175, 231, 245, 275, 343, 363, 385, 539, 605, 847, 909, 1179, 1331, 1359, 1515, 1629, 1719, 1965, 2121, 2265, 2525, 2715, 2751, 2817, 2865, 3171, 3177, 3275, 3333, 3357, 3447, 3535, 3775, 3801, 4011, 4323, 4525

Offset: 1

Author

Patrick De Geest, Jun 15 1998

Keywords

• nonn
• base

Crossrefs

Cf. A002385, A046316, A046405.

Programs

Mathematica

Take[Times@@@Tuples[Select[Prime[Range[2,100]],PalindromeQ],3]//Union,50] (* Harvey P. Dale, Sep 10 2019 *)

Extensions

Definition clarified by N. J. A. Sloane, Dec 19 2017 at the suggestion of Harvey P. Dale