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A046409 Palindromes with exactly 3 distinct palindromic prime factors. 4

%I #11 Oct 10 2019 22:43:13

%S 66,606,2222,2882,3333,5555,6886,7777,26462,39693,145541,167761,

%T 226622,248842,339933,347743,662266,664466,668866,682286,993399,

%U 996699,2080802,2284822,6080806,6264626,9396939,11444411,11666611,11777711

%N Palindromes with exactly 3 distinct palindromic prime factors.

%H Chai Wah Wu, <a href="/A046409/b046409.txt">Table of n, a(n) for n = 1..1000</a>

%Y Cf. A046329, A046377.

%K nonn,base

%O 1,1

%A _Patrick De Geest_, Jun 15 1998

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Last modified April 19 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)