A066130 Numbers that in base 2 need nine 'Reverse and Add' steps to reach a palindrome.

202, 210, 218, 222, 250, 282, 306, 312, 334, 358, 408, 432, 454, 460, 484, 778, 834, 842, 846, 858, 862, 874, 878, 970, 986, 1002, 1080, 1128, 1182, 1200, 1230, 1248, 1292, 1316, 1412, 1434, 1482, 1692, 1740, 1944, 1992, 2162, 2274, 2582, 2684, 2694

Offset: 1

Author

Klaus Brockhaus, Dec 08 2001

Keywords

• base
• nonn

Comments

The analog of A065214 in base 2. The number of steps starts at 0, so palindromes (cf. A006995) are excluded.

Numbers k such that A066057(k) = 9. - 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, A065214, A066057, A066122.

Extensions

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