A066129 Numbers that in base 2 need eight 'Reverse and Add' steps to reach a palindrome.

259, 285, 309, 345, 369, 385, 399, 423, 459, 479, 483, 503, 531, 547, 563, 653, 655, 709, 711, 785, 801, 817, 909, 919, 935, 959, 965, 1015, 1031, 1037, 1051, 1053, 1099, 1101, 1157, 1171, 1173, 1219, 1221, 1243, 1283, 1289, 1305, 1353, 1409, 1423

Offset: 1

Author

Klaus Brockhaus, Dec 08 2001

Keywords

• base
• nonn

Comments

The analog of A065213 in base 2. The number of steps starts at 0, so palindromes (cf. A006995) are excluded.

Numbers k such that A066057(k) = 8. - 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, A065213, A066057, A066122.

Extensions

Offset changed from 0 to 1 by Harry J. Smith, Feb 01 2010