login
This site is supported by donations to The OEIS 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!)

A051287 as a triangular array

1
11
121
1221
14441
144441
161281261
1612881261
18243216322481
1824321616322481
11040808032808040101
110408080323280

A051287 as a square array

111111111111
1224466881010
1244121224244040
1448832328080
1412816168080
161232163232
1624328032
18248080
1840
110
1

A051287 as an upper right triangle

111111111111
1224466881010
1244121224244040
1448832328080
1412816168080
161232163232
1624328032
18248080
1840
110
1

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 18 11:33 EST 2019. Contains 319271 sequences. (Running on oeis4.)