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!)

A078678 as a simple table

n a(n)
0 1
1 2
2 4
3 8
4 18
5 42
6 100
7 242
8 592
9 1460
10 3624
11 9042
12 22656
13 56970
14 143688
15 363348
16 920886
17 2338566
18 5949148
19 15157874
20 38674978
21 98803052
22 252701484
23 646990518
24 1658066668
25 4252908542
26 10917422860
27 28046438252
28 72099983802
29 185469011130
30 477383400300

[1,2,4,8,18,42,100,242,592,1460,3624,9042,22656,
 56970,143688,363348,920886,2338566,5949148,
 15157874,38674978,98803052,252701484,646990518,
 1658066668,4252908542,10917422860,28046438252,
 72099983802,185469011130,477383400300]

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 March 29 06:34 EDT 2024. Contains 371265 sequences. (Running on oeis4.)