|
Search: id:A029519
|
|
|
| A029519 |
|
Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 2 (most significant digit on right). |
|
+0
142
|
| |
|
|
OFFSET
|
1,2
|
|
|
COMMENT
|
This sequence differs from A061955 in that all least significant zeros are removed before concatenation.
The next term is > 410000. - Larry Reeves, Jan 16, 2002
|
|
LINKS
|
Index entries for related sequences
|
|
EXAMPLE
|
7654321 -> (111)(011)(101)(001)(11)(01)(1) base 2 -> 1111110111111 base 2 = 8127 and 7 divides 8127
|
|
CROSSREFS
|
Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978.
Sequence in context: A041663 A042825 A076033 this_sequence A045424 A106968 A079779
Adjacent sequences: A029516 A029517 A029518 this_sequence A029520 A029521 A029522
|
|
KEYWORD
|
nonn,base,more
|
|
AUTHOR
|
Olivier Gerard (ogerard(AT)ext.jussieu.fr)
|
|
EXTENSIONS
|
Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12, 2002
Additional comments and example from Larry Reeves (larryr(AT)acm.org), May 25 2001
|
|
|
Search completed in 0.002 seconds
|
