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!)

A143445 as a triangular array

1
12
105
1207
100012
1250015
10000022
120700026
1050000035
120012000040
100000000051
12570150000057

A143445 as a square array

111111111111
20202020202
5005005005
700070007
1200001200
150000015
2200000
260000
35000
4000
510
57

A143445 as an upper right triangle

111111111111
20202020202
5005005005
700070007
1200001200
150000015
2200000
260000
35000
4000
510
57

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 April 25 11:34 EDT 2024. Contains 371967 sequences. (Running on oeis4.)