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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A049823 a(n)=number of 2's in n-th row of array T given by A049816. 0
0, 0, 0, 0, 1, 0, 2, 1, 2, 2, 4, 1, 4, 4, 4, 4, 7, 2, 6, 5, 6, 8, 8, 5, 7, 7, 8, 7, 10, 7, 10, 9, 9, 11, 12, 6, 11, 12, 10, 10, 12, 11, 10, 15, 12, 14, 14, 10, 14, 11, 16, 14, 12, 12, 17, 16, 16, 16, 14, 14, 10, 18, 15, 16, 20, 17, 16, 18, 19, 19 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,7

LINKS

Table of n, a(n) for n=1..70.

EXAMPLE

There are 4 numbers k from 1 to 11 for which the Euclidean algorithm on (11,k) has exactly 2 nonzero remainders; hence a(11)=4.

CROSSREFS

Sequence in context: A062790 A046640 A240388 * A143775 A244329 A003165

Adjacent sequences:  A049820 A049821 A049822 * A049824 A049825 A049826

KEYWORD

nonn

AUTHOR

Clark Kimberling

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 18 22:08 EDT 2019. Contains 322237 sequences. (Running on oeis4.)