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!)

A078665 as a simple table

n a(n)
1 1
2 1
3 2
4 5
5 47
6 105
7 1272
8 8424
9 55856
10 388800
11 6592492
12 37965600
13 1573051680
14 10106845824
15 145938179520
16 2694653982720
17 18948491739696
18 267048208800000
19 23293245955795200
20 466687809894297600
21 3372079713556377600

[1,1,2,5,47,105,1272,8424,55856,388800,6592492,
 37965600,1573051680,10106845824,145938179520,
 2694653982720,18948491739696,267048208800000,
 23293245955795200,466687809894297600,
 3372079713556377600]

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 September 27 03:21 EDT 2020. Contains 337380 sequences. (Running on oeis4.)