This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A341193 #8 May 09 2025 10:15:52
%S A341193 1,4,10,20,35,56,84,120,165,216,274,336,399,460,516,564,601,624,636,
%T A341193 628,609,580,544,504,463,424,390,360,345,332,324,324,327,332,338,344,
%U A341193 350,352,356,364,361,364,370,376,382,388,394,400,402,412,418,412,418,424,430,436,442
%N A341193 Number of ways to write n as an ordered sum of 4 nonzero decimal palindromes.
%H A341193 Alois P. Heinz, <a href="/A341193/b341193.txt">Table of n, a(n) for n = 4..20000</a>
%t A341193 nmax = 60; CoefficientList[Series[Sum[Boole[PalindromeQ[k]] x^k, {k, 1, nmax}]^4, {x, 0, nmax}], x] // Drop[#, 4] &
%Y A341193 Cf. A002113, A136522, A319469, A341157, A341191, A341192.
%K A341193 nonn,base,look
%O A341193 4,2
%A A341193 _Ilya Gutkovskiy_, Feb 06 2021