A046499 - OEIS

%I #15 Aug 11 2024 14:41:31

%S 22,242,464,868,4664,8668,40604,44644,48684,80608,84648,88688,406604,

%T 446644,486684,806608,846648,886688,4006004,4046404,4086804,4406044,

%U 4446444,4486844,4806084,4846484,4886884,8006008,8046408,8086808

%N Palindromes expressible as the sum of 4 consecutive palindromes.

%C All digits of all terms are even. - _Harvey P. Dale_, Jan 25 2013

%H Harvey P. Dale, <a href="/A046499/b046499.txt">Table of n, a(n) for n = 1..700</a>

%H P. De Geest, <a href="https://www.worldofnumbers.com/index.html">World!Of Numbers</a>

%e 22 = 4 + 5 + 6 + 7;

%e 242 = 44 + 55 + 66 + 77.

%Y Cf. A002113.

%K nonn,base

%O 1,1

%A _Patrick De Geest_, Sep 15 1998