login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

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

A081580 as a triangular array

1
11
171
113131
11961191
125145145251
131265595265311
13742115851585421371
143613333161453331613431
149841604917401174016049841491
1551105995540105655274010599551105551

A081580 as a square array

11111111111
171319253137434955
113611452654216138411105
1191455951585333160499955
125265158561451740140105
13142133311740165527
137613604940105
1438419955
1491105
155
1

A081580 as an upper right triangle

11111111111
171319253137434955
113611452654216138411105
1191455951585333160499955
125265158561451740140105
13142133311740165527
137613604940105
1438419955
1491105
155
1

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)