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!)

A138777 as a simple table

n a(n)
2 1
3 3
4 6
5 10
6 15
7 21
8 1
9 28
10 6
11 36
12 21
13 45
14 56
15 55
16 126
17 66
18 252
19 1
20 78
21 462
22 9
23 91
24 792
25 45
26 105
27 1287
28 165
29 120
30 2002
31 495
32 136
33 3003
34 1287
35 1
36 153
37 4368
38 3003
39 12
40 171
41 6188
42 6435
43 78
44 190
45 8568
46 12870
47 364

[1,3,6,10,15,21,1,28,6,36,21,45,56,55,126,66,252,
 1,78,462,9,91,792,45,105,1287,165,120,2002,495,
 136,3003,1287,1,153,4368,3003,12,171,6188,6435,78,
 190,8568,12870,364]

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 May 11 17:45 EDT 2024. Contains 372410 sequences. (Running on oeis4.)