login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

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

A180662 as a triangular array

0
01
012
0126
012615
01261540
01261540104
01261540104273
01261540104273714
012615401042737141870
0126154010427371418704895

A180662 as a square array

00000000000
1111111111
222222222
66666666
15151515151515
404040404040
104104104104104
273273273273
714714714
18701870
4895

A180662 as an upper right triangle

00000000000
1111111111
222222222
66666666
15151515151515
404040404040
104104104104104
273273273273
714714714
18701870
4895

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 January 21 22:47 EST 2020. Contains 331129 sequences. (Running on oeis4.)