|
Search: id:A060833
|
|
|
| A060833 |
|
Separate the natural numbers into disjoint sets A, B with 1 in A, such that the sum of any 2 elements of the same set never equals 2^k+2. Sequence gives elements of set A. |
|
+0
4
|
|
| 1, 4, 7, 8, 12, 13, 15, 16, 20, 23, 24, 25, 28, 29, 31, 32, 36, 39, 40, 44, 45, 47, 48, 49, 52, 55, 56, 57, 60, 61, 63, 64, 68, 71, 72, 76, 77, 79, 80, 84, 87, 88, 89, 92, 93, 95, 96, 97, 100, 103, 104, 108, 109, 111, 112, 113, 116, 119, 120, 121, 124, 125, 127, 128
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
COMMENT
|
Can be constructed as follows: place of terms of (2^k+1,2^k+2,...,2^k) are the reflection from (2,3,4,...,2^k,1). [Comment not clear to me - N. J. A. Sloane (njas(AT)research.att.com)]
|
|
CROSSREFS
|
A082410(a(n)) = 0.
Sequence in context: A024621 A000606 A061932 this_sequence A162967 A070286 A047536
Adjacent sequences: A060830 A060831 A060832 this_sequence A060834 A060835 A060836
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Sen-Peng You (giawgwan(AT)single.url.com.tw), May 01 2001
|
|
EXTENSIONS
|
More terms from Larry Reeves (larryr(AT)acm.org), May 10 2001
|
|
|
Search completed in 0.002 seconds
|
