A174196 Those positive integers that are both in sequence A166934 and in sequence A166935.

23, 29, 40, 58, 79, 104, 116, 121, 176, 223, 232, 242, 251, 287, 288, 303, 335, 351, 485, 489, 497, 501, 502, 672, 736, 800, 815, 831, 847, 864, 971, 979, 994, 996, 1002, 1004, 1011, 1087, 1119, 1200, 1216, 1232, 1247, 1311, 1376, 1471, 1696, 1760, 1824, 1839

Offset: 1

Author

Ray Chandler, Mar 11 2010

Keywords

• base
• nonn

Comments

Each integer in this sequence, when written in binary, contains at least two palindromic substrings that are tied for the longest such substring, one with identical digits and one with different digits.

Crossrefs

Cf. A050430, A166934, A166935.