A075687 In base 4, records for the number of Reverse and Add! steps needed to reach a palindrome.

0, 1, 2, 3, 4, 5, 16, 17, 29, 35, 37, 38, 79, 80, 107

Offset: 0

Author

Klaus Brockhaus, Sep 24 2002

Keywords

• base
• more
• nonn

Comments

RECORDS transform of A075685. Base-4 analog of A065199 (base 10) and A066145 (base 2). A075686 gives the corresponding starting points.

Examples

			Starting with 26, 3 Reverse and Add! steps are needed to reach a palindrome; starting with n < 26, less (at most 2) steps are needed.
		

Links

• N. J. A. Sloane, Transforms
• Index entries for sequences related to Reverse and Add!

Crossrefs

Cf. A065199, A066145, A075685, A075686.