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 A354460 #9 May 31 2022 11:38:47 %S A354460 7,13,19,23,31,29,41,37,47,53,43,59,73,61,67,71,79,83,97,101,103,89, %T A354460 107,113,109,127,137,139,131,149,157,151,167,163,173,179,181,191,193, %U A354460 199,197,211,223,227,257,229,233,251,263,239,241,269,271,281,277,283,293,307,313,311,317,331,347,337 %N A354460 The primes sums formed for each completed 2 X 2 square of numbers in A354453. %C A354460 See A354453 for further details. %e A354460 The first prime sum is 7, which is the sum of the innermost 2 X 2 square of values 4,2,0,1 in the square spiral shown in A354453. %e A354460 The fourth prime sum is 23, which is the sum of the 2 X 2 square of values 0,1,8,14 in the square spiral shown in A354453. This is the first prime sum that differs from A337116. %Y A354460 Cf. A354453, A337116, A354441, A257339, A354434, A000040. %K A354460 nonn %O A354460 1,1 %A A354460 _Scott R. Shannon_, May 31 2022