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A046373
Numbers of the form p*q*r where p,q,r are (not necessarily distinct) odd palindromic primes (odd terms from A002385).
2
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
1,1
MATHEMATICA
Take[Times@@@Tuples[Select[Prime[Range[2, 100]], PalindromeQ], 3]//Union, 50] (* Harvey P. Dale, Sep 10 2019 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Jun 15 1998
EXTENSIONS
Definition clarified by N. J. A. Sloane, Dec 19 2017 at the suggestion of Harvey P. Dale
STATUS
approved