A066128 Numbers that in base 2 need seven 'Reverse and Add' steps to reach a palindrome.

326, 366, 452, 492, 644, 654, 692, 710, 718, 734, 750, 826, 882, 902, 908, 926, 942, 964, 972, 974, 982, 988, 990, 998, 1004, 1006, 1058, 1068, 1110, 1166, 1188, 1246, 1320, 1332, 1340, 1362, 1380, 1388, 1418, 1440, 1460, 1498, 1502, 1508, 1568

Offset: 1

Author

Klaus Brockhaus, Dec 08 2001

Keywords

• base
• nonn

Comments

The analog of A065212 in base 2. The number of steps starts at 0, so palindromes (cf. A006995) are excluded.

Numbers k such that A066057(k) = 7. - 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, A065212, A066057, A066122.

Extensions

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