A351172 Natural numbers that can be written as the quotient of two antipalindromic numbers (A035928).

1, 5, 6, 15, 17, 18, 19, 20, 21, 24, 26, 28, 51, 59, 61, 63, 65, 66, 67, 68, 69, 70, 71, 72, 74, 75, 78, 82, 83, 84, 85, 87, 89, 92, 94, 96, 102, 106, 116, 120, 191, 195, 203, 211, 219, 221, 231, 233, 235, 239, 243, 245, 247, 249, 251, 253, 255, 257, 258, 260

Offset: 1

Author

Jeffrey Shallit, Feb 04 2022

Keywords

• nonn
• base

Examples

			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.
		

Links

• 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. Complement of A351173.