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!)

A180016 as a simple table

n a(n)
0 1
1 1
2 7
3 19
4 109
5 469
6 2509
7 12589
8 67399
9 358039
10 1946395
11 10622755
12 58600531
13 324978643
14 1813780243
15 10169519635
16 57273912685
17 323755931917
18 1836345339961
19 10446793409041
20 59591722204861
21 340755882430381

[1,1,7,19,109,469,2509,12589,67399,358039,1946395,
 10622755,58600531,324978643,1813780243,
 10169519635,57273912685,323755931917,
 1836345339961,10446793409041,59591722204861,
 340755882430381]

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 May 28 22:13 EDT 2024. Contains 372921 sequences. (Running on oeis4.)