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

 

Logo

Many excellent designs for a new banner were submitted. We will use the best of them in rotation.

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

A019538 as a triangular array

1
12
166
1143624
130150240120
16254015601800720
11261806840016800151205040
125457964082412600019152014112040320
151018150186480834120190512023284801451520362880
1102255980

A019538 as a square array

1111111111
261430621262545101022
636150540180657961815055980
242401560840040824186480
120180016800126000834120
720151201915201905120
50401411202328480
403201451520
362880

A019538 as an upper right triangle

1111111111
261430621262545101022
636150540180657961815055980
242401560840040824186480
120180016800126000834120
720151201915201905120
50401411202328480
403201451520
362880

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

Content is available under The OEIS End-User License Agreement .

Last modified April 18 03:30 EDT 2014. Contains 240688 sequences.