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

 

Logo

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

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

A072335 as a simple table

n a(n)
0 1
1 4
2 16
3 60
4 225
5 840
6 3136
7 11704
8 43681
9 163020
10 608400
11 2270580
12 8473921
13 31625104
14 118026496
15 440480880
16 1643897025
17 6135107220
18 22896531856
19 85451020204
20 318907548961
21 1190179175640
22 4441809153600
23 16577057438760
24 61866420601441
25 230888624967004

[1,4,16,60,225,840,3136,11704,43681,163020,608400,
 2270580,8473921,31625104,118026496,440480880,
 1643897025,6135107220,22896531856,85451020204,
 318907548961,1190179175640,4441809153600,
 16577057438760,61866420601441,230888624967004]

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 January 22 02:06 EST 2020. Contains 331133 sequences. (Running on oeis4.)