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A046372 Odd numbers with exactly 2 palindromic prime factors (counted with multiplicity). 1

%I

%S 9,15,21,25,33,35,49,55,77,121,303,393,453,505,543,573,655,707,755,

%T 905,917,939,955,1057,1059,1111,1119,1149,1267,1337,1441,1565,1661,

%U 1765,1865,1915,1991,2101,2181,2191,2271,2361,2391,2471,2611,2681,2757,2787

%N Odd numbers with exactly 2 palindromic prime factors (counted with multiplicity).

%Y Cf. A046315, A046404.

%K nonn,base

%O 1,1

%A _Patrick De Geest_, Jun 15 1998

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Last modified May 14 19:53 EDT 2021. Contains 343903 sequences. (Running on oeis4.)