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!)

A027660 as a simple table

n a(n)
0 1
1 4
2 11
3 26
4 56
5 112
6 210
7 372
8 627
9 1012
10 1573
11 2366
12 3458
13 4928
14 6868
15 9384
16 12597
17 16644
18 21679
19 27874
20 35420
21 44528
22 55430
23 68380
24 83655
25 101556
26 122409
27 146566
28 174406
29 206336
30 242792

[1,4,11,26,56,112,210,372,627,1012,1573,2366,3458,
 4928,6868,9384,12597,16644,21679,27874,35420,
 44528,55430,68380,83655,101556,122409,146566,
 174406,206336,242792]

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 4 10:10 EDT 2024. Contains 373092 sequences. (Running on oeis4.)