A166937 Positive integers n such that when they are written in binary, the longest palindromic substring (or at least one of which that is tied for longest) in binary n begins and ends with a 1.

1, 2, 3, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 23, 25, 26, 27, 28, 29, 30, 31, 33, 34, 35, 37, 38, 39, 40, 41, 42, 43, 45, 47, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 73, 75, 77, 79, 81, 83, 84, 85, 86, 87, 89, 90

Offset

1,2

Links

Table of n, a(n) for n=1..72.

Crossrefs

Cf. A050430, A166936, A166938.

Sequence in context: A357961 A159635 A068938 * A039250 A135130 A072601

Adjacent sequences: A166934 A166935 A166936 * A166938 A166939 A166940

Keyword

base,nonn

Author

Leroy Quet, Oct 24 2009

Extensions

Extended by Ray Chandler, Mar 11 2010

Status

approved