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Palindromes with exactly 10 palindromic prime factors (counted with multiplicity).
2

%I #10 Nov 06 2015 04:08:17

%S 8448,46464,65856,69696,255552,426624,639936,2346432,21544512,

%T 28898289882,422868868224,475119911574,2323896983232,2325778775232,

%U 2578986898752,4362464642634,5269476749625,21337599573312,21354877845312,23487999978432,23679788797632

%N Palindromes with exactly 10 palindromic prime factors (counted with multiplicity).

%H Lars Blomberg, <a href="/A046384/b046384.txt">Table of n, a(n) for n = 1..27</a>, terms < 10^16.

%e The palindrome 28898289882 is a term since it has 10 factors 2 3^2 7^3 11^2 101 383, all palindromic.

%Y Cf. A046336.

%K nonn,base

%O 1,1

%A _Patrick De Geest_, Jun 15 1998

%E More terms from _Lars Blomberg_, Nov 06 2015

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Last modified September 20 14:52 EDT 2024. Contains 376072 sequences. (Running on oeis4.)