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 A353245 #20 May 15 2022 12:33:10 %S A353245 1,2,2,2,8,8,4,4,6,5,1,9,5,4,16,16,18,2,1,1,24,24,8,5,6,24,1,32,8,4, %T A353245 32,32,34,2,17,40,40,44,6,5,5,32,48,48,52,50,17,17,21,52,56,48,49,2,2, %U A353245 24,21,64,8,30,29,73,65,64,64,64,64,72,76,64,80,80,68,72,80,2,1,1,80,88,92,14 %N A353245 a(n) = A353989(n) AND A353989(n+1), where AND is the binary AND operator. %C A353245 See A353989 for further details. A graph of the terms displays a repetitive structure below the line y = n. See the linked images. %H A353245 Scott R. Shannon, <a href="/A353245/a353245_2.png">Image of the first 10000 terms</a>. The green line is y = n. %H A353245 Scott R. Shannon, <a href="/A353245/a353245_3.png">Image of the first 100000 terms</a>. %e A353245 a(2) = 2 as A353989(2) = 3 = 11_2 and A353989(3) = 6 = 110_2, and the binary AND of 11_2 and 110_2 = 10_2 = 2. %Y A353245 Cf. A353989, A129760, A064413. %K A353245 nonn %O A353245 1,2 %A A353245 _Scott R. Shannon_, May 15 2022