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

 

Logo


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

A004747 as a triangular array

1
21
1061
8052121
880600160201
1232086802520380301
209440151200464807840770421
41888003082240987840179760201601400561
9634240071998080238268804583040562800453602352721

A004747 as a square array

12108088012320209440418880096342400
16526008680151200308224071998080
11216025204648098784023826880
12038078401797604583040
13077020160562800
142140045360
1562352
172
1

A004747 as an upper right triangle

12108088012320209440418880096342400
16526008680151200308224071998080
11216025204648098784023826880
12038078401797604583040
13077020160562800
142140045360
1562352
172
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 April 23 05:42 EDT 2021. Contains 343199 sequences. (Running on oeis4.)