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!)

A148560 as a simple table

n a(n)
0 1
1 1
2 3
3 6
4 18
5 50
6 150
7 492
8 1539
9 5371
10 17944
11 63704
12 225744
13 810809
14 2983535
15 10917690
16 40972337
17 153287379
18 581820688
19 2219375147
20 8508412508
21 32915586038
22 127540927543
23 498239905499
24 1950902335531
25 7679230505707
26 30343172222925
27 120261715941901
28 478693474593309
29 1909728214904899

[1,1,3,6,18,50,150,492,1539,5371,17944,63704,
 225744,810809,2983535,10917690,40972337,153287379,
 581820688,2219375147,8508412508,32915586038,
 127540927543,498239905499,1950902335531,
 7679230505707,30343172222925,120261715941901,
 478693474593309,1909728214904899]

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 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)