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 A343329 #13 Apr 13 2021 00:17:04 %S A343329 0,0,0,0,0,20,0,104,0,196,464,0,1372,1952,0,15376,7232,17576,0,119072, %T A343329 32128,476656,0,1032256,130304,7263392,0,8064128,14776336,522752, %U A343329 131096512,0,66324736,458066416,2087936,2024096128,0,533729792,16649257024,8382464,33759290624,27027081632,0 %N A343329 a(n) is the largest positive integer that is abundant and has the same prime signature as A025610(n) or 0 if no such number exists. %C A343329 a(n) = 0 if A025487(n) is a power of 2 or A025487(n) = 6. %e A343329 a(6) = 20 as A025610(6) = 12 and has prime signature (1, 2) as it is 2^(2) * 3^(1). The largest abundant number with prime signature (1, 2) is 20 = 2^(2) * 5^(1). %Y A343329 Cf. A005101, A025610. %K A343329 nonn %O A343329 1,6 %A A343329 _David A. Corneth_, Apr 12 2021