The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)

A248456 as a simple table

n a(n)
1 48
2 148
3 460
4 1436
5 4488
6 14040
7 43940
8 137532
9 430508
10 1347652
11 4218704
12 13206360
13 41341772
14 129418260
15 405137308
16 1268262348
17 3970233208
18 12428621208
19 38907193300
20 121797075276
21 381279818252
22 1193577924020
23 3736437636672

[48,148,460,1436,4488,14040,43940,137532,430508,
 1347652,4218704,13206360,41341772,129418260,
 405137308,1268262348,3970233208,12428621208,
 38907193300,121797075276,381279818252,
 1193577924020,3736437636672]

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 June 6 16:04 EDT 2024. Contains 373133 sequences. (Running on oeis4.)