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!)

A001780 as a simple table

n a(n)
0 1
1 8
2 37
3 128
4 367
5 920
6 2083
7 4352
8 8518
9 15792
10 27966
11 47616
12 78354
13 125136
14 194634
15 295680
16 439791
17 641784
18 920491
19 1299584
20 1808521
21 2483624
22 3369301
23 4519424
24 5998876
25 7885280
26 10270924
27 13264896

[1,8,37,128,367,920,2083,4352,8518,15792,27966,
 47616,78354,125136,194634,295680,439791,641784,
 920491,1299584,1808521,2483624,3369301,4519424,
 5998876,7885280,10270924,13264896]

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 April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)