login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A031143 Position of rightmost 0 (including leading 0) in 2^A031142(n). 5
1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 21, 22, 23, 24, 25, 26, 36, 38, 54, 57, 59, 93, 115, 119, 120, 121, 136, 138, 164, 174, 176, 191, 196, 212, 217, 227, 233, 249, 250, 260, 268, 275, 308 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

"Positions" are counted 0,1,2,3,... starting with the least significant digit.

LINKS

Table of n, a(n) for n=1..46.

CROSSREFS

Cf. A031140, A031141, A031142, A031143.

Sequence in context: A130176 A156541 A277620 * A055492 A005459 A039216

Adjacent sequences:  A031140 A031141 A031142 * A031144 A031145 A031146

KEYWORD

nonn

AUTHOR

Matthew Cook, Dan Hoey, Eric W. Weisstein, David W. Wilson

EXTENSIONS

More terms from Dan Hoey

a(42)-a(44) from Alan Griffiths, Jan 25 2012

a(45) from Alan Griffiths, Feb 01 2012

a(46) from Alan Griffiths, Mar 09 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 | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified March 22 20:04 EDT 2017. Contains 283897 sequences.