A066131 Numbers that in base 2 need ten 'Reverse and Add' steps to reach a palindrome.

103, 115, 137, 145, 159, 187, 221, 249, 391, 407, 411, 435, 451, 467, 525, 581, 649, 705, 719, 733, 735, 749, 751, 973, 989, 1005, 1151, 1165, 1245, 1271, 1403, 1417, 1497, 1523, 1661, 1781, 1913, 2033, 2059, 2083, 2097, 2115, 2129, 2147, 2209, 2241

Offset: 1

Author

Klaus Brockhaus, Dec 08 2001

Keywords

• base
• nonn

Comments

The analog of A065215 in base 2. The number of steps starts at 0, so palindromes (cf. A006995) are excluded.

Numbers k such that A066057(k) = 10. - Andrew Howroyd, Dec 05 2024

Links

• Andrew Howroyd, Table of n, a(n) for n = 1..10000
• Index entries for sequences related to Reverse and Add!

Crossrefs

Cf. A006995, A065215, A066057, A066122.