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 A351172 #19 Jan 12 2024 07:56:22 %S A351172 1,5,6,15,17,18,19,20,21,24,26,28,51,59,61,63,65,66,67,68,69,70,71,72, %T A351172 74,75,78,82,83,84,85,87,89,92,94,96,102,106,116,120,191,195,203,211, %U A351172 219,221,231,233,235,239,243,245,247,249,251,253,255,257,258,260 %N A351172 Natural numbers that can be written as the quotient of two antipalindromic numbers (A035928). %H A351172 James Haoyu Bai, Joseph Meleshko, Samin Riasat, and Jeffrey Shallit, <a href="https://arxiv.org/abs/2202.13694">Quotients of Palindromic and Antipalindromic Numbers</a>, arXiv:2202.13694 [math.NT], 2022. %H A351172 James Haoyu Bai, Joseph Meleshko, Samin Riasat, and Jeffrey Shallit, <a href="http://math.colgate.edu/~integers/w96/w96.pdf">Quotients of Palindromic and Antipalindromic Numbers</a>, INTEGERS 22 (2022), #A96. %e A351172 18 belongs to the sequence because 18 = 936/52, and the base-2 representation of 936 is 1110101000, while the base-2 representation of 52 is 110100, both antipalindromes. %Y A351172 Cf. A035928. Complement of A351173. %K A351172 nonn,base %O A351172 1,2 %A A351172 _Jeffrey Shallit_, Feb 04 2022