A351176 Natural numbers k such that k = A/B has at least one solution in antipalindromic numbers A, B, but only finitely many solutions.

5, 17, 21, 26, 65, 69, 70, 85, 89, 92, 102, 106, 116, 219, 221, 233, 239, 245, 249, 257, 261, 269, 273, 276, 284, 290, 291, 294, 301, 306, 307, 319, 323, 324, 333, 341, 344, 356, 361, 364, 369, 392, 398, 426, 434, 460, 468, 488, 843, 869, 879, 919, 925, 971

Offset

1,1

Comments

"Antipalindromic" means a member of A035928.

This sequence and A351175 form a disjoint partition of A351172.

Links

Table of n, a(n) for n=1..54.

James Haoyu Bai, Joseph Meleshko, Samin Riasat, and Jeffrey Shallit, Quotients of Palindromic and Antipalindromic Numbers, arXiv:2202.13694 [math.NT], 2022.

James Haoyu Bai, Joseph Meleshko, Samin Riasat, and Jeffrey Shallit, Quotients of Palindromic and Antipalindromic Numbers, INTEGERS 22 (2022), #A96.

Crossrefs

Cf. A035928, A351172, A351175.

Sequence in context: A038470 A043003 A246329 * A211423 A211426 A224513

Adjacent sequences: A351173 A351174 A351175 * A351177 A351178 A351179

Keyword

nonn,base

Author

Jeffrey Shallit, Feb 04 2022

Status

approved