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 A337914 #10 Oct 09 2020 03:51:28 %S A337914 21971536246,28062102871,35322768074,70470712246,80352468746, %T A337914 81659032818,91738254619,92802362774,99529917146,112184349167, %U A337914 114294175743,143264113674,183904912070,199569905722,219349795115,223879398215,242719744322,261356598415 %N A337914 Squarefree multiples of 11 such that a(n)+11 is also squarefree and all integers between are not squarefree. %C A337914 The term a(1) is A109505(11) and A109473(8). %H A337914 Jud McCranie, <a href="/A337914/b337914.txt">Table of n, a(n) for n = 1..57</a> %e A337914 21971536246 and 21971536246+11 are successive squarefree integers, and their GCD is 11. %Y A337914 Cf. A109473, A109505, A337915. %K A337914 nonn %O A337914 1,1 %A A337914 _Jud McCranie_, Oct 06 2020