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!)

A101879 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 21
5 77
6 286
7 1066
8 3977
9 14841
10 55386
11 206702
12 771421
13 2878981
14 10744502
15 40099026
16 149651601
17 558507377
18 2084377906
19 7779004246
20 29031639077
21 108347552061
22 404358569166
23 1509086724602
24 5631988329241
25 21018866592361
26 78443478040202
27 292755045568446

[1,1,2,6,21,77,286,1066,3977,14841,55386,206702,
 771421,2878981,10744502,40099026,149651601,
 558507377,2084377906,7779004246,29031639077,
 108347552061,404358569166,1509086724602,
 5631988329241,21018866592361,78443478040202,
 292755045568446]

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 3 04:21 EDT 2020. Contains 333195 sequences. (Running on oeis4.)