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!)

A154921 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 2
5 1
6 13
7 9
8 3
9 1
10 75
11 52
12 18
13 4
14 1
15 541
16 375
17 130
18 30
19 5
20 1
21 4683
22 3246
23 1125
24 260
25 45
26 6
27 1
28 47293
29 32781
30 11361
31 2625
32 455
33 63
34 7
35 1
36 545835
37 378344
38 131124
39 30296
40 5250
41 728
42 84
43 8
44 1
45 7087261
46 4912515
47 1702548
48 393372
49 68166
50 9450
51 1092
52 108
53 9
54 1

[1,1,1,3,2,1,13,9,3,1,75,52,18,4,1,541,375,130,30,
 5,1,4683,3246,1125,260,45,6,1,47293,32781,11361,
 2625,455,63,7,1,545835,378344,131124,30296,5250,
 728,84,8,1,7087261,4912515,1702548,393372,68166,
 9450,1092,108,9,1]

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 22:15 EDT 2024. Contains 371282 sequences. (Running on oeis4.)