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Natural numbers k such that k = A/B has at least one solution in antipalindromic numbers A, B, but only finitely many solutions.
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%I #18 Jan 12 2024 07:55:59

%S 5,17,21,26,65,69,70,85,89,92,102,106,116,219,221,233,239,245,249,257,

%T 261,269,273,276,284,290,291,294,301,306,307,319,323,324,333,341,344,

%U 356,361,364,369,392,398,426,434,460,468,488,843,869,879,919,925,971

%N Natural numbers k such that k = A/B has at least one solution in antipalindromic numbers A, B, but only finitely many solutions.

%C "Antipalindromic" means a member of A035928.

%C This sequence and A351175 form a disjoint partition of A351172.

%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.

%H 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.

%Y Cf. A035928, A351172, A351175.

%K nonn,base

%O 1,1

%A _Jeffrey Shallit_, Feb 04 2022