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!)

A186240 as a simple table

n a(n)
0 1
1 1
2 2
3 7
4 21
5 66
6 228
7 799
8 2843
9 10357
10 38278
11 143012
12 539980
13 2056848
14 7892496
15 30483351
16 118416903
17 462348219
18 1813410078
19 7141608015
20 28229040165
21 111956307486
22 445374729396
23 1776704142348
24 7105896093588
25 28487216564476
26 114454156300136
27 460781265916312

[1,1,2,7,21,66,228,799,2843,10357,38278,143012,
 539980,2056848,7892496,30483351,118416903,
 462348219,1813410078,7141608015,28229040165,
 111956307486,445374729396,1776704142348,
 7105896093588,28487216564476,114454156300136,
 460781265916312]

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 April 7 15:56 EDT 2020. Contains 333306 sequences. (Running on oeis4.)