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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A000012 as a triangular array

1
11
111
1111
11111
111111
1111111
11111111
111111111
1111111111
11111111111
111111111111
111111111111

A000012 as a square array

1111111111111
111111111111
11111111111
1111111111
111111111
11111111
1111111
111111
11111
1111
111
11

A000012 as an upper right triangle

1111111111111
111111111111
11111111111
1111111111
111111111
11111111
1111111
111111
11111
1111
111
11

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 February 25 03:06 EST 2018. Contains 299630 sequences. (Running on oeis4.)