A092214 In base 2: numbers n not of the form k + reverse(k) for any k.

1, 4, 7, 8, 11, 12, 13, 16, 19, 20, 22, 23, 26, 28, 29, 31, 32, 36, 38, 39, 40, 41, 43, 46, 47, 48, 49, 50, 53, 55, 56, 58, 59, 60, 61, 64, 67, 68, 70, 71, 72, 73, 74, 76, 77, 79, 80, 82, 83, 86, 87, 88, 89, 91, 92, 94, 95, 97, 98, 100, 103, 104, 106, 107, 109, 110, 111, 112

Offset

0,2

Comments

Base-2 analog of A067031 (base 10) and A091679 (base 4). Complement of A092213.

Links

Table of n, a(n) for n=0..67.

Example

13 is a term since 13 (decimal) = 1101 and there is no k such that k + reverse(k) = 1101 in base 2.

Crossrefs

Cf. A092213, A067031, A091679.

Sequence in context: A310933 A186712 A001494 * A319926 A128373 A080578

Adjacent sequences: A092211 A092212 A092213 * A092215 A092216 A092217

Keyword

nonn,base,easy

Author

Klaus Brockhaus, Feb 25 2004

Status

approved