The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A145679 Lower limit of backward value of 2^n and n!. 3
2, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
For n!, omitting the trailing sequence zeros. - Simon Plouffe, Mar 05 2017
The terms are deduced from sequence A023415.
The sum of constants in A145679 and A023415 is conjectured to be 11 exactly.
LINKS
PROG
(Python)
# lower limit of backward value of 2^n
a, i=2, 0; x=a
while 1:
i+=1; print x, ', ' ,
if a%2**(i+1) == 0: x=0
else: x=1; a+=10**i
# Cezary Glowacz, Mar 11 2017
CROSSREFS
Sequence in context: A089311 A086784 A104162 * A007273 A016319 A342531
KEYWORD
nonn,base
AUTHOR
Simon Plouffe, Mar 23 2009
EXTENSIONS
More terms from Cezary Glowacz, Feb 26 2017
More terms from Jinyuan Wang, Mar 01 2020
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 June 14 23:20 EDT 2024. Contains 373401 sequences. (Running on oeis4.)