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!)

A006402 as a simple table

n a(n)
2 1
3 2
4 3
5 6
6 16
7 42
8 151
9 596
10 2605
11 12098
12 59166
13 297684
14 1538590
15 8109078
16 43476751
17 236474942
18 1302680941
19 7256842362
20 40832979283
21 231838418310
22 1327095781740
23 7653155567834
24 44434752082990
25 259600430870176
26 1525366978752096
27 9010312253993072
28 53485145730576790

[1,2,3,6,16,42,151,596,2605,12098,59166,297684,
 1538590,8109078,43476751,236474942,1302680941,
 7256842362,40832979283,231838418310,1327095781740,
 7653155567834,44434752082990,259600430870176,
 1525366978752096,9010312253993072,
 53485145730576790]

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.)