login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The OnLine Encyclopedia of Integer Sequences
!)
A217337
Numbers n that are the signed sum of powers of 2 whose exponents concatenated form n itself.
0
14, 492, 1052, 1056, 2116, 16314, 261818, 262184, 1047920, 1048207
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..10.
EXAMPLE
14 = 2^1 + 2^4, 492 = 2^4 + 2^9  2^2, 1052 = 2^10 + 2^5  2^2, 1056 = 2^10  2^5 + 2^6, 2116 = 2^2 + 2^11 + 2^6, etc.
1048207 is in the sequence since 1048207 = 2^1 + 2^0 + 2^4  2^8 + 2^20  2^7 and the exponents are 1, 0, 4, 8, 20, 7.
CROSSREFS
Sequence in context:
A275348
A317635
A128051
*
A251867
A240411
A024299
Adjacent sequences:
A217334
A217335
A217336
*
A217338
A217339
A217340
KEYWORD
nonn
,
base
AUTHOR
Giovanni Resta
, Oct 01 2012
STATUS
approved
Lookup

Welcome

Wiki

Register

Music

Plot 2

Demos

Index

Browse

More

WebCam
Contribute new seq. or comment

Format

Style Sheet

Transforms

Superseeker

Recents
The OEIS Community
 Maintained by
The OEIS Foundation Inc.
License Agreements, Terms of Use, Privacy Policy.
.
Last modified April 23 13:41 EDT 2024. Contains 371914 sequences. (Running on oeis4.)