login
This site is supported by donations to The OEIS 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!)

A002657 as a simple table

n a(n)
0 1
1 1
2 5
3 9
4 251
5 475
6 19087
7 36799
8 1070017
9 2082753
10 134211265
11 262747265
12 703604254357
13 1382741929621
14 8164168737599
15 5362709743125
16 8092989203533249
17 15980174332775873
18 12600467236042756559

[1,1,5,9,251,475,19087,36799,1070017,2082753,
 134211265,262747265,703604254357,1382741929621,
 8164168737599,5362709743125,8092989203533249,
 15980174332775873,12600467236042756559]

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 17 19:58 EST 2019. Contains 319251 sequences. (Running on oeis4.)