A351325 - OEIS

%I #18 Mar 18 2023 08:49:14

%S 5,21,26,69,85,89,92,102,106,116,219,221,233,239,245,249,261,269,276,

%T 284,291,301,306,319,323,324,333,341,344,356,361,364,369,426,434,460,

%U 468,488,843,869,879,919,925,971,981,997,1015,1042,1044,1046,1052,1053

%N Numbers k with exactly one solution to the equation A = B*k, where A and B are antipalindromic numbers (members of A035928).

%H 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.

%e For k = 233 we have A = 8532926, B = 36622, which is the only solution in antipalindromes.

%Y Cf. A002450, A035928, A351172, A351176.

%K nonn,base

%O 1,1

%A _Jeffrey Shallit_, Feb 07 2022