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

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A083651 Triangular array, read by rows: T(n,k) = k-th bit in binary representation of n (0<=k<=n). 2
0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

n = Sum(T(n,k)*2^k: 0<=k<=n);

T(n, A070939(n))=1 for n>0, T(n,k)=0 for k>A070939(n);

T(n,0)=A000035(n); T(n,n)=0;

A021913(0)=T(0,0), A021913(n)=T(n,1) for n>0.

LINKS

Table of n, a(n) for n=0..104.

CROSSREFS

Sequence in context: A115199 A085242 A059620 * A111748 A130198 A104893

Adjacent sequences:  A083648 A083649 A083650 * A083652 A083653 A083654

KEYWORD

nonn,tabl

AUTHOR

Reinhard Zumkeller, May 01 2003

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 December 6 10:57 EST 2016. Contains 278776 sequences.