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 A225264 #6 Jan 01 2024 01:04:59 %S A225264 3,7,23,23,71,71,289,311,311,311,479,479,1559,1559,1559,1559,4253, %T A225264 5637,7142,7469,8843,10103,13445,13445,15457,18043,18191,18191,27313, %U A225264 28442,32249,34637,40367,43445,48409,49957,57167,61459,67513,69241,78913,84533 %N A225264 Minimum value unattainable as the sum of 2 attained values of a*b*c with a,b,c 0..n integers. %C A225264 Related to A225258. %H A225264 R. H. Hardin, <a href="/A225264/b225264.txt">Table of n, a(n) for n = 1..155</a> %Y A225264 Cf. A225258. %K A225264 nonn %O A225264 1,1 %A A225264 _R. H. Hardin_, May 04 2013