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!)

A291013 as a simple table

n a(n)
0 0
1 3
2 6
3 15
4 36
5 85
6 198
7 456
8 1040
9 2352
10 5280
11 11776
12 26112
13 57600
14 126464
15 276480
16 602112
17 1306624
18 2826240
19 6094848
20 13107200
21 28114944
22 60162048
23 128450560
24 273678336
25 581959680
26 1235222528
27 2617245696
28 5536481280
29 11693719552
30 24662507520
31 51942260736

[0,3,6,15,36,85,198,456,1040,2352,5280,11776,
 26112,57600,126464,276480,602112,1306624,2826240,
 6094848,13107200,28114944,60162048,128450560,
 273678336,581959680,1235222528,2617245696,
 5536481280,11693719552,24662507520,51942260736]

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 16 18:56 EDT 2024. Contains 373432 sequences. (Running on oeis4.)